Hello There!
Your answer is the first one.
Far greater than any known material on Earth.
Answer:
Option (1)
Explanation:
The white dwarf stars are defined as objects that are almost similar to the size of the Earth and their mass is equivalent to the sun. The materials that are present within the massive white dwarf cannot undergo any process of fusion reactions due to which they have an absence of energy source.
The density of these white dwarfs is roughly [tex]10^{9}[/tex] kg/m³, which is significantly very high. These are probably the most dense materials that are present in the universe. In order to study the white dwarf stars, the UV astronomy is generally used.
Thus, the correct answer is option (1).
Both Darwin and Lamarck proposed mechanisms by which species might evolve. Although Darwin first published his ideas in the mid-1800s, most scientists continued to favor Lamarck's explanation until near the end of that century. What was the most likely cause of the eventual shift from Lamarck's hypothesis to that proposed by Darwin?
Answer:
More evidence accumulated supporting Darwin's ideas than could be found to support Lamarck's.
Explanation:
Answer:
Several evidences were found that supported the ideas defended by Darwin. As a result, Lamarck's ideas became obsolete.
Explanation:
Although we currently use Darwin's theories to explain the evolutionary processes of living beings, this has not always been the case. For a long time, Lamarck's theory of how living beings evolved was the theory accepted as correct.
Lamarck's theory is known as the "law of use and disuse". This law states that living beings have evolved because they have started to use a feature a lot, which has been developing more than the others. For example: In Lamarck's theory, giraffes had a large neck because, one day they had a small neck, but they stretched so far to reach the leaves of the trees that the neck developed, until it reached the height we know.
Although Darwin's theory of natural selection makes much more sense, it was only considered by scientists after much evidence about evolution was discovered. This evidence supported Darwin's theories, but made Lamarck's obsolete.
Which structures are found only in plant cells,not in animal cells?
Answer:
b,c
Explanation:
jus did it
Rabbits and sheep both graze on shrubs, grasses, and other plants. The sharp rise in the population of rabbits in a region may result in a shortage of plants for sheep to graze upon. This relationship between sheep and rabbits is an example of _______.
Answer:
Competition
Explanation:
Answer:
competition
Explanation:
During competition there is an interaction between the species of plants and animals that compete for territory, food, or mating with the opposite sex and in which one of them is harmed.
One of these fights may be due to the consumption of some limited resource that both species need in order to survive, such as that of the shrubs in the example. This type of competition occurs all the time in all ecosystems.
When competition occurs between individuals of different species, it is called interspecific competition, and when it occurs between individuals of the same species it is called intraspecific competition.
It usually ends up surviving the most suitable species.
Recall the three layers of muscles in the wall of the heart. Which lists these muscles in order from closest to the blood inside the chamber to farthest from the blood?
Answer:
The cardiac wall contains three layers: epicardium, myocardium and endocardium.
Explanation:
The epicardium, the outermost layer of the heart, also has a large amount of adipose tissue. It is the same as the visceral layer of the serous pericardium.
The myocardium, located below the epicardium, is the cardiac muscle tissue as such, responsible for pumping the blood through the circulatory system through contraction.
The endocardium is the membrane that covers the inside of the heart. This membrane surrounds the inside of blood vessels, transporting blood through a continuous tunnel of endothelial cells throughout the cardiovascular system.
Answer:
A. epicardium, myocardium and endocardium
Explanation:
EDGE 2020
explain the cellular functions that occur when antibiotics attacks a bacteria cell
Answer:
Antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell..
Explanation:
Final answer:
Antibiotics target bacterial structures and macro-molecules, inhibiting cell wall synthesis, damaging cytoplasmic membranes, disrupting DNA synthesis, and causing oxidative damage, which lead to bacterial cell death. These actions are integral to combatting bacterial infections without harming human cells.
Explanation:
How Antibiotics Affect Bacterial Structures and Functions
Antibiotics are potent medicines designed to combat bacterial infections by targeting specific bacterial structures and macro-molecules. These targeted attacks can lead to the disruption of essential cellular functions, ultimately causing the bacteria to die. Here are four different ways antibiotics or disinfectants may affect bacterial cells:
Inhibition of Cell Wall Synthesis: Many antibiotics, like penicillin, target the bacterial cell wall, which is essential for maintaining the cell's shape and integrity. By inhibiting the synthesis of the cell wall, the antibiotics cause the bacteria to burst and die due to osmotic pressure.Alteration of the Cytoplasmic Membrane: Certain antibiotics affect the cytoplasmic membrane's integrity, leading to leakage of cellular contents and resulting in cell death.Inhibition of DNA Synthesis: Some antibiotics, like fluoroquinolones, target enzymes involved in DNA replication. By blocking DNA synthesis, these drugs prevent the bacteria from replicating and carrying out necessary genetic functions.Oxidative Damage: Recent research suggests that all antibiotics might induce oxidative damage as a common effect. This damage, when severe enough, leads to cell death. Enhancing this effect by blocking bacterial defense mechanisms against oxidative damage can significantly increase the efficacy of antibiotics.Understanding these mechanisms is crucial, particularly given the rise of antibiotic resistance. Designing new strategies that leverage our knowledge about bacterial cell function and antibiotic action is important for developing more effective treatments against resilient bacterial strains.
What are the weather events related to a warm front?
slow and steady precipitation occurring at the front with warmer temperatures after the front passes
Which of the following can be used for relative dating?
Inclusions
Potassium-argon dating
Strontium-rubidium dating
Radioactive decay
Answer:
inclusions
Explanation: Inclusions are used to determine the relative age of rocks. Older rocks can be incorporated into newer rocks as inclusions.
Answer:
Inclusions.
Explanation:
Inclusions are used to determine the relative age of rocks. Older rocks can be incorporated into newer rocks as inclusions.
What is the official term given to the harmful effects that a drug or chemical may have on an organism?
A. Toxicity
B. Harmful
C. Lethal
D. Baneful
Answer:
A. Toxicity
Explanation:
Toxicity is the ability of some chemical substance or medication to generate harmful effects on a living being, by coming into contact with it. Toxicology is the area of study that is dedicated to the toxicity of substances.
All substances have some degree of toxicity since any substance is capable of producing a toxic effect if a sufficient dose is administered. All substances are toxic; however, some are toxic to a greater degree compared to others.
The answer is toxicity
Drag each label to the correct location on the image
Identify the steps in the rainshadow process
Answer:
To identify the steps in the rain shadow process: drag "air cooling and condensing" to the block on the bottom right, then "warn moist air rising" to the block that is on top of this and finaly "rain shadow effect" to the left block.
Explanation:
Ok. To start a rain shadow is a region in the lee of mountains that receives less rainfall than the region windward of the mountains.
The process occurs this way
Prevailing winds carry air toward the mountain range. As the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. The windward side of a mountain range is moist and lush because of this precipitation. Once the air passes over the mountain range, it moves down the other side, warms, and dries out. This dry air produces a rain shadow. Land in a rain shadow is typically very dry.So, to identify the steps in the rain shadow process on the image:
a. Prevailing winds
b. Air cooling and condensing.
c. Warm, moist air rising.
d. Dry air
e. Rain shadow effect
The question asks the student to identify steps in the rainshadow process, which involves understanding how the interaction of mountains with moist air leads to precipitation on one side and dry conditions on the other.
Explanation:The student's question revolves around understanding the rainshadow process, a geographic and meteorological phenomenon. As a part of a learning activity, the student is likely asked to label different parts of a diagram, identifying each step in the process that leads to the formation of a rainshadow on the leeward side of a mountain range. This is how the process generally unfolds:
Moist air approaches the mountain range and is forced to rise.As the air rises, it cools and the moisture condenses, causing precipitation on the windward side of the mountain.The air, now dry, descends on the leeward side of the mountain.Due to the lack of moisture, the descending air creates arid conditions, forming a rainshadow desert.This sequence is pivotal in understanding how geographical barriers can have a significant impact on local climates and ecosystems.
These glands are also known as eccrine glands and help maintain body temperature. Sebaceous
sweat
chloride
dermal
The eccrine glands, also known as dermal sweat glands, play a crucial role in maintaining body temperature. They produce sweat, and its evaporation from the skin's surface cools the body down, contributing to thermoregulation.
Explanation:The glands referred to as eccrine glands are also known as dermal sweat glands. These glands are predominantly located throughout the human skin, and they play an essential role in maintaining body temperature. The primary function of these glands is to produce sweat, which, when it evaporates off of the skin surface, helps to cool the body down. This process is an essential part of thermoregulation, the body's way of maintaining a stable internal temperature despite varying external conditions.
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The glands in mention are the sweat glands or eccrine glands. They play a crucial role in temperature regulation by releasing sweat when the body overheats. They are found all over the body and are most abundant on the forehead, palms, and soles.
Explanation:The glands referred to in your question are sweat glands. Sweat glands, also called eccrine glands, are crucial in helping the body maintain its temperature. When your body heats up, these glands release sweat which, upon evaporation, cools down the body. Eccrine glands are different from sebaceous glands in that the latter produce an oily secretion to help keep the skin lubricated. They are spread all over the body, but are most dense on the forehead, the palms of the hand, and the soles of the feet.
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Macy always thought there were only a few hair colors: blond, brown, and black. However, when she actually began looking around, she saw varying shades of these hair colors. What is a possible reason for so many different hair colors?
Answer: A possible reason for these haircolors is that you could get a mix of your 2 parents haircolors. Another possible reason is that people just simply tinted their hair.
Answer:
polygenic inheritance
Explanation:
describe the difference between bioprospecting and biopiracy
Difference between bioprospection and biopiracy
Bioprospection is an attempt to search for new chemical contents in living things, both microorganisms, animals, and plants that have the potential as a drug or other economic benefits while Biopiracy is the theft of biological resources for the benefit of certain parties and detrimental to other parties
Further explanation
From the answers above it can be concluded that bioprospection and biopiracy are the opposite.
Bioprospection can be said to have two different sides. On one hand, the many bioprospecting activities provide opportunities to make human life better. While on the other hand, this activity poses a threat to biodiversity because it provides opportunities for biopiracy.
Biopiracy is often done by parties with advanced technological developments, but do not have enough biological resources for their progress. So developing countries that are rich in biological resources become their main goal. The government and the community may be familiar with the main goals of the developed countries but often cannot hamper the pace of biopiracy.
The solution is:
By making national laws and regulations and international laws. To make bioprospection truly prosperous without worrying about the occurrence of biopiracy, in addition to the drafting of the law, many things must be addressed and considered. Because bioprospection activities should also be subject to various international and national regulations to prevent the occurrence of biopiracy practices.
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Bioprospection Vs Biopiracy https://brainly.com/question/12760207, https://brainly.com/question/11654706
Details
Class: Middle School
Subject: Biology
Keywords: Biopiracy, Bioprospection, Bioprospection Vs Biopiracy.
Answer:
Both Bioprospecting and Biopiracy are contradictory to each other.
Bioprospecting involves research for potential usage of any animal or plant species for economic purposes such as usage in drugs, cosmetics, or any other industry. Biopiracy is the illegal or unlawful usage of purposeful plants or other species which prevents its general usage to certain parties providing commercial benefits to others.Explanation:
Bioprospecting :Many plants and animals have medical usage that could cure many diseases and other conditions, apart from the medical usage these species can also be beneficial for other sectors such as agriculture, cosmetics, and others. Bioprospecting is the legal and well-organized search for such species which can yield benefits to companies and governments.Bioprospecting has many benefits such as it promotes research and development, it helps in deep research of many species of plants and animals which in turn provides medical and economic benefits.Biopiracy:The ill use of intellectual property rights and exploitation of indigenous natural resources claiming unauthorized patents and GIs. Many countries and companies exploit vulnerable countries and their people by claiming authority over their products through finding loopholes in-laws is called biopiracy. Some examples of biopiracy include patents of US private companies over Turmeric and neem which were originally produced and used in India giving them an economic benefit over products which includes the usage of such plants.For more information:
https://brainly.com/question/12398429
which body system produces movement by contracting and relaxing
Answer:
The Muscular System
Explanation:
Answer:
Muscular system
Explanation:
The muscular system is made up of different cells that is referred to as muscle fibers, which their function is based on contraction and relaxation. The movement in our body is possible as result of contraction because their is an attachment of the muscle to the body internal organs. This movement as result of contraction aid the body joint stabilit( this as a result of extension of tendons over the body joints), posture(responsible fort us to stand and sit).
The skeletal muscles in our body are in active service to make sure thebody is held in stationary positions.they provide the free movement that allows the body to run and walk, in addition they provide subtle eye movement and even facial expressions.
Which of the following is true of multicellular organisms?
they often have specialized cells
they contain DNA
they are made on one or more cells
all are true of multicellular organisms
Multi cellular organisms do often have specialized cells.
-these specialized cells come together and work as a team to carry out functions
Multi cellular organisms do contain DNA
-DNA is very important to multi cellular organisms. Cell differentation resulted in specialized cells that could carry out different functions
Multi cellular organisms are made of one or more cells
-like the name suggests they are multi cellular meaning more than one cell haha
Answer- They are all true of multi cellular organisms
In essence multicellular organisms do contain DNA are composed of more than one cell and often have specialized cells. Each cell in these organisms carry out complex specific functions that contribute to the entire organism's operations.
Explanation:All of the given statements are indeed true of multicellular organisms. First off multicellular organisms, such as plants, animals and fungi contain DNA; which they use to pass on genetic information to offspring. DNA serves as the blueprint for the construction and functioning of every cell.
Secondly, multicellular organisms are made up of more than one cell. These organisms are composed of numerous cells that work together to perform complex functions. This ties into the third point, that multicellular organisms often have specialized cells with unique functions. For instance in humans there are nerve cells for transmitting signals red blood cells for carrying oxygen, and so forth. These cells are specialized meaning they perform specific roles that contribute to the overall function of the organism.
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Cheryl classifies an organism based on the broadest taxonomic classification. In what group might she place it?
A. Protista
B. Animalia
C. Eukarya
D. Fungi
Answer:
C. Eukarya
Explanation:
The phylogenetic tree is based around three branches, eukrya, archaea, and bacteria. In order to place an organism in the broadest taxonomic classification, it will go under eukarya in this case, as it is the only one from the three basic ones from the choices provided. Eukarya is the branch where we have multi-cellular organisms, and it is the one that has given rise to the best known organisms on the planet, the largest ones, most attractive etc. The animals and plants fall into the category of eukarya and are its most marking members, thus the humans are part of it as well.
Phosphorus is required for organisms to synthesize DNA and phospholipids. In an ecosystem, phosphorus is transferred into the soil by the weathering of rocks. Phosphorus is absorbed by plants, which are consumed by herbivores. Carnivores obtain phosphorus through the consumption of herbivores. Which is a process that transfers phosphorus between an abiotic system and a biotic system.
a , a plant absorbing phosphorus from the soil
b , weathering of rocks releases phosphorus into the soil
c , an herbivore consuming a plant
d , a carnivore consuming an herbivore
Answer:
a plant absorbing phosphorus from the soil
The transfer of phosphorus from abiotic to biotic organisms is the transfer of phosphorus from the soil to the plant. This phosphorus is required by living organisms for different cellular processes. Option a is correct.
What is a nutrient cycle in an ecosystem?In an ecosystem, the decomposers decompose dead animals and plants and release nutrients into the soil such as phosphorus, nitrogen, carbon, etc. These nutrients are present in the soil and consumed by plants in that ecosystem. The soil becomes fertile due to the availability of these nutrients. Plants are the producers in an ecosystem and, with the help of photosynthesis, make food.
Herbivores that feed on plants get phosphorus from plant sources, carnivores get it from herbivores, etc. Every nutrient, such as carbon, nitrogen, and sulfur, makes its way from soil to plant and then to animals in this manner.
Hence, because the biotic and abiotic connection is plants from the soil, option a is the correct answer.
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According to the graph, which biome extends across the largest temperature variation?
a. Temperate forest
b. Taiga
c. Grassland
d. Desert
That would be D. Desert :)
Answer:
Option- D
By analyzing the graph given we can see that there is much difference or variance in the whole data relating the temperature of the deserts. As, we can see that the value of the graph slightly changed over time and we can also experience it inside these regions comprised of deserts which has a very high temperature in most of the day while the same place becomes freezing then ever at night fall.Convert 11.75 millimeters to meters. meters
Answer:
0.01175 meters
......
Answer:
0.01175
Explanation:
To convert millimeters to meters, we must divide the number of millimeters by 1000 because for one meter, there is one thousand millimeters
So, 11.75/1000= 0.01175
Which human reproductive organs produce sperm? Which produce eggs?
Answer:
The testes produce the sperm, and the ovaries produce the eggs.
Explanation:
Sperm and egg cells are both called gametes. When an egg and a sperm join, it is called fertilization. This is the correct answer to this question.
Hope this helps!!!
Kyle.
Answer:
testes
ovaries
Explanation:
Sperms are produced by the testes.
Eggs are produced by the ovaries.
distantly related organisms may be similar if they live in ?
Distantly related organisms may be similar if they live in Similar environments
The Smith family is afflicted with a genetic disorder known as Pinocchio nose syndrome, which causes affected adults to grow noses in excess of five inches long. 100 members of the Smith family show up for a family reunion. Of the fifty-three women, thirty-seven have unusually large noses. Of the forty-seven men, thirty-six have an enormous nose. Based on these figures, Pinocchio nose syndrome is probably
A) dominant and sex-linked.
B) recessive and sex-linked.
C) dominant, but not sex-linked.
D) recessive, but not sex-linked.
Answer:
C- Dominant, but not sex-linked
Explanation:
The disorder is not sex-linked because almost equal numbers of people have Pinocchio nose syndrome. If the disorder was sex linked you would have way more men than women having the disorder.
You can tell that the genetic disorder is dominant because there is a 3:1 ratio for those who have the disorder.
36 out of 47 men ≈0.765
37 out of 53 women≈0.69
These numbers approximate a 3:1 ratio (even if it's not exact), meaning that the disorder is most likely dominant
the answer is actually D. not sex-linked but unable to tell if it is dominant or recessive
Which definition best describes polygenic traits?
A.
traits that are controlled by multiple genes
B.
traits that express both alleles of a gene pair
c.
traits that are carried on linked genes
D.
traits that affect several features
Reset
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The best definition which describes polygenic traits is :
B) traits that are controlled by multiple genes.
Polygenic traits basically mean the traits that are a result of multiple intertwined traits like for example skin colour.
When two people mate their traits get intertwined and the resultant trait of the baby is a result of the polygenic traits.
Answer:
A. traits that are controlled by multiple genes
Explanation:
Polygenic traits are controlled by more than one genes. An example of this on humans is height. Not one gene controls the height of a human, many traits contribute to the height of a human.
whats the largest carbon source
Answer:
coal is the largest carbon source
Answer:
Coal
Explanation:
Blood type in humans is an example of a trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?
Given that the offspring have blood types AB, B, and O, it is possible for the parents to have genotypes of IAi and IBi. This demonstrates the facets of multiple alleles and codominance in the determination of blood types in humans.
Explanation:The possible genotypes for the parents are IAi and IBi. The girl with blood type AB must inherit an A allele from one parent and a B allele from the other, making her genotype IAIB. The sister with blood type B could have inherited an B allele from either parent and an i allele from the other, making her genotype IBi. The brother with blood type O inherited an i allele from each parent, making his genotype ii. Therefore, the parents' possible genotypes could be IAi and IBi.
As background, the ABO blood groups are determined by three alleles. The IA and IB alleles are codominant, meaning that when present simultaneously, both are expressed, leading to the type AB blood group. The i allele is recessive to both the IA and IB alleles, and in the absence of either of these, the O blood type results.
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Which attributes describe nonrenewable resources ?
Answer:
Exist in fixed amounts
Explanation:
This means that this item is not something that can be created again, once you use it you use it and it's gone.
Answer:
Non-renewable resources are used faster than they can be replaced.
Explanation:
Even when it is possible to replace them, it takes so many time to do.
For example, fossil fuel: it takes millions of years to replace it, once used.
Energy + 6CO2 + 6H2O → 6O2 + C6H12O6 This is the chemical reaction that occurs during photosynthesis; identify which of these is a product in this chemical reaction. A) water B) oxygen C) hydrogen D) carbon dioxide
Answer:
oxygen
Explanation:
the products of the reactions are 6O2 (oxygen) and C6H1206 (glucose)
what phenomenon is responsible for Hotspot volcanism
A. ridge push
B. pyroclastic flows
C. subduction
D. mantle plumes
Answer:
D. mantle plumes
Explanation:
The hotspot volcanism occurs because of mantle plumes. This type of volcanic activity can occur both in oceanic plates, or in continental plates. The mantle plumes are very powerful. They manage to penetrate through the crust without any particular problem, even if it is the the thickest part of the crust. This is why the hot spot volcanism is mostly found in the middle of the tectonic plates, or at least far away from the plate boundaries. The plates move above the mantle plumes, or rather the hotspot, and as they do they drag away with them the volcanoes that have been created. The volcanoes will lose their connection with the hotspot and they will stop being active, but the hotspot will create another, new volcano above, and the process continues. This type of volcanic activity can be seen on the Hawaii Islands, as well as the Yellowstone supervolcano.
what are agricultural practises
Answer:
Agricultural practices are collection of principles to apply for farm production processes to get better agricultural products.
Good agricultural practice is a certification system for agriculture, specifying procedures that must be implemented to create food for consumers or further processing that is safe and wholesome, using sustainable methods
Elizabeth is getting ready to run a marathon. She's hoping that the ATP in her body is good for long-term energy storage for the race. Why is her thinking incorrect?
Answer:
Her Thinking is wrong because ATP is not a long term Energy Storage.
Explanation:
We need energy to perform every single task of everyday life. This energy is obtained from the food we eat. There are three main sources of energy in our food.
1. Carbohydrates
2. Lipids
3. Proteins
Carbohydrates are hydrolyzed into glucose upon breakdown and this glucose is used as energy by most of the cells. While Lipids are more complex molecules and usually used to store energy to be used later. Proteins help in muscle building and provide essential amino acid to the body.
There are two ways to store energy, Long term storage and short term storage. The ATP is obtained by breaking down the large molecules and considered as short term energy as it last for only few seconds. While the long term energy is obtained from lipids hydrolysis.
Answer:
ATP is an unstable molecule
Explanation:
Recall that ATP and ADP are too unstable to serve as long-term energy storage units. In contrast, glucose has a stable molecular structure, so it stores energy more efficiently than ATP.
#pennfosternotes
See page Biology (v2): Lesson 2: Page 65 in Biology_Lesson 2.pdf
Thanks so much! I hope this helps! =)
Assume that tall (represented by T) is dominant over short stature (represented by y) in corn. If
a heterozygous tall plant is crossed with a short plant, show, using ratios the genotypes and
phenotypes you would expect the seeds from this cross to produce
a. Genotypes _____________________________________________
b. Phenotypes ____________________________________________
Answer:
a. 1 : 1
b. 1 : 1
Explanation:
In this case, a heterozygous tall plant (Ty) is crossed with a homozygous short plant (yy) - which we can deduce as the recessive alleles only exhibit themselves in the absence of the dominant alleles.
The resulting offspring would have the genotypes (refer to attached image):
Ty (Tall)
Ty (Tall)
yy (short)
yy (short)
The genotypic ratio would be - 1:1 (Ty & yy are the genotypes present)
and the phenotypic ratio would be - 1:1 (tall and short are the phenotypes present)
Hope this helps