The birds have different mating seasons would answer the question whether the two bird species are actually the same species or just two different ones. The reason for this is that when two bird species have different mating seasons this actually tells us that they most likely don't mate with each other and for that reason it wouldn't be really possible for them to be one species.
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What characteristic makes osmosis different from diffusion? Question 6 options: Net movement in osmosis is from areas of higher water concentration to areas of lower water concentration. Net movement in diffusion occurs from areas of higher solute concentration to areas of lower solute concentration. Osmosis occurs through a permeable membrane. Diffusion must occur through a semipermeable membrane. Osmosis requires facilitation by an energy-carrying molecule, such as ATP. Diffusion requires no additional energy to move molecules across the concentration gradient. Osmosis is used for gases, such as oxygen and carbon dioxide. Diffusion is used for water that contains salt or sugar molecules.
Answer:
the first one
Explanation:
If an unknown organism has bilateral symmetry and gills, into which phylum can it be classified?
It can be classified in the phylum chordata.
Phylum : chordata
Sub-phylum: Vertebrata
Division: Gnathostomata
Superclass: pisces (respiration occurs typically by gills)
Answer:
correct answer is "Cnidaria"
Explanation:
Which of the following statements accurately describes melanin's function?
a. The more melanin an individual has in his or her skin cells, the more likely he or she is to get mutations in DNA.
b. Melanin is a molecule that distinguishes humans from their primate relatives.
c. Everyone has the same type of melanin, but the amount varies from person to person.
d. Lighter skin has less of the dark-brown eumelanin that protects cells from UV damage.
Answer: Lighter skin has less of the dark-brown eumelanin that protects cells from UV damage.
Explanation: There are 2 different types of melanin so this is the right answer.
In a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have it. What type of inheritance is this?
A. Y-linked
B. X-linked
C. polygenic
D. codominant
Answer: Option A Y-linked
Explanation:
Y-linked traits are the ones which are due to the alleles present on the Y chromosome of an organism.Since, only the male members carry the Y chromosome, the traits linked to Y chromosome only pass down from the father to the sons and never to the daughters, such type of inheritance is known as Y linked inheritance.According to the question, the inheritance cannot be X linked because every daughter inherits one X chromosome from the father but the sons only inherit the Y chromosome. Thus, an affected male cannot produce affected sons if the trait is X linked.A polygenic trait is the one whose phenotype is determined by more than one genes, which again is not the case here.A co-dominant trait is the one which is determined by both the alleles i.e the phenotype is determined by both the alleles of a gene and none of the alleles is completely dominant over the other.As can be seen from the question, the affected father is producing an affected son and no affected daughter, thus this inheritance is Y linked.
Amino acids are used to build
.
Just like a Lego house is made of bricks, proteins are made up of lots of tiny building blocks. These building blocks are called amino acids. To build a protein, first the amino acids are connected into long chains.
Sorry if this doesn't help or if its wrong.
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Which process takes place in meiosis but not in mitosis
Answer:
The answer is DNA replication and crossing over.
Explanation:
Both meiosis and mitosis are reproduction processes taking place in humans. But there is some difference between these two processes. In meiosis, parent cell produces four daughter cells which are not identical to each other.
In meiosis, when DNA replicates it produces four haploid daughter cells in which the number of chromosomes in half. Moreover crossing over and separation of chromosomes also occurs to produce sperms and egg cells. While in mitosis crossing over and DNA replication is absent.
Select the correct answer from each drop-down menu. In some cases of head injuries, the cerebrum may be affected. This type of injury could cause a loss of and impaired .
In some cases of head injuries, the cerebrum may be affected. This type of injury could cause a loss of speech.
In cases of head injuries, the cerebrum, which is the largest part of the brain responsible for higher cognitive functions, may be affected. This type of injury can cause a loss of or impaired speech.
Speech impairment can manifest in different ways depending on the severity and location of the injury. Some possible speech-related issues that may arise from cerebrum injury include:
1. Difficulty in finding the right words or forming coherent sentences: Damage to specific areas of the cerebrum, such as Broca's area, can lead to difficulties in speech production. This can result in a person struggling to express themselves clearly or finding it challenging to speak fluently.
2. Problems with understanding or comprehending language: Damage to areas like Wernicke's area can affect a person's ability to understand spoken or written language. They may have difficulty processing and interpreting words, leading to confusion or misunderstanding.
3. Slurred speech or changes in speech patterns: Injury to the cerebrum can impact the muscles involved in speech production, leading to changes in speech patterns. This can manifest as slurred or distorted speech, making it hard for others to understand the person.
It's important to note that the cerebrum is responsible for many other functions besides speech, such as memory, attention, and perception. Therefore, head injuries affecting the cerebrum can have a wide range of effects beyond speech impairment.
In conclusion, a head injury affecting the cerebrum can cause a loss of or impaired speech due to damage to specific brain areas responsible for language processing and production. It's crucial for individuals with such injuries to seek medical attention for proper diagnosis and treatment.
Earth's surface does not receive the same amount of solar energy everywhere. Earth receives more total yearly energy near the equator, and less energy near the poles. What is the reason for this? A. Earth's tilting on its axis B. hurricanes forming over the ocean C. Earth's land and water heating up unevenly D. deep ocean and surface currents forming in the ocean
A
The Earths axis is tilted approximately 23.5 degrees (which is the reason the Earth experiences seasons).
I did this one time ANd Its A can you mark me as brainlest really need it
Select all of the answers that apply.
Which of the following are warning signs that a volcano will soon erupt?
1) animals begin to act weird
2) the sky darkens
3) smoke coming out of the top of it
4) the ground swells or vibrates
5) water level and water temperature increase
The correct answers are:
3) Smoke coming out of the top of it
When a volcano starts erupting there is a mix of mostly water, carbon dioxide, and sulfur gases that come out from it; this is called "smoke"
4) The ground swells or vibrates
Before an eruption, a material called "magma" moves beneath the volcano to a zone called a "magma chamber"; these movements create seismic vibrations and ground swelling.
Although there is an increased emission of heat and gas from the volcano, the temperature of the water may not be an assured sign of an eruption.
A deep water island of marine debris is located directly in the migratory path of a pod of humpback whales. How would this affect the carrying capacity of this population of humpback whales?
The presence of marine debris can impact the carrying capacity of humpback whales by causing entanglement, ingestion issues, and disrupting feeding behaviors.
Carrying capacity refers to the maximum population size that an ecosystem can sustain indefinitely. If a deep water island of marine debris is in the migratory path of humpback whales, it could potentially affect their carrying capacity by causing entanglement in debris, ingestion of plastics leading to health issues, and disrupting their feeding behaviors.
A soil sample is 85 percent sand, 5 percent clay, and 10 percent silt. Use the following soil texture triangle to determine the type of soil present in this sample.
Sand
Loamy sand
Silty clay loam
Sandy clay loam
Based on a soil texture triangle, the kind of soil present in the sample is loamy sand.
Loamy sand refers to soil comprising majorly of sand, silt, and a smaller portion of clay. Loamy is very fine sand comprising 50% or more of very fine sand. This soil is smooth to touch because of the predominance of extremely fine grains. All the kinds of loamy sands vary from sandy loams as loamy sands comprise more silt separates and smaller constituents of clay and sand.
How many codons are on the mRNA molecule given below?
AGCUUAGGCUAAGGCUAC
18
5
12
6
ANSWER: 6
A codon is a sequence of 3 nucleotides that corrosponds to a specific amino acid. In the given sequence 6 triplets are formed. So the number of codons in the given mRNA is 6.
AGC UUA GGC UAA GGC UAC
1 2 3 4 5 6
What is the importance of cells being able to to take in nutrients for survival and waste product excretion for homeostasis
Cells require energy to power their biochemical processes such as transcription and translation processes. The nutrients taken in by cells are broken down and the energy in these bonds is used to create ATPs, the energy currency of the cells.
During the breakdown of these nutrients for energy, in a process called cellular respiration, the byproducts produced need to be excreted from the cell. This is because the accumulation of these byproducts may be toxic to the cell.
Which of the following statements describes chromatin?
A) Heterochromatin is composed of DNA, whereas euchromatin is made of DNA and RNA.
B) Both heterochromatin and euchromatin are found in the cytoplasm.
C) Heterochromatin is highly condensed, whereas euchromatin is less compact.
D) Euchromatin is not transcribed, whereas heterochromatin is transcribed.
E) Only euchromatin is visible under the light microscope.
Answer:
The correct answer y C).
Explanation:
Chromatin is the association between DNA and proteins called histones.
Heterochromatin is highly condensed because in that state the union between DNA and proteins is very strong and they are very close.
Euchromatin is less compact because in that state the union between DNA and proteins is weak and they are less stuck together.
Heterochromatin is not transcribed, whereas euchromatin is transcribed because when the union between DNA and histones is very strong, DNA is in a very compact state and the transcription machinery (RNA polymerase, transcription factors, etc.) cannot access the DNA to be able to transcribe it.
Chromatin, a complex of DNA and proteins, exists in two forms: heterochromatin, which is highly condensed, and euchromatin, which is less compact and actively transcribed.
Explanation:The statement which most accurately describes chromatin is C) Heterochromatin is highly condensed, whereas euchromatin is less compact. Chromatin is a complex of DNA and proteins within the cell nucleus, and can be found in two different forms: euchromatin and heterochromatin. Heterochromatin is a form of chromatin that is densely packed and often associated with areas of the DNA that are not being actively transcribed into RNA. On the other hand, euchromatin is less condensed and represents regions of DNA that are actively being transcribed. So, heterochromatin is highly condensed, while euchromatin is less compact.
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Blackwater is cheaper and easier to process than greywater. Please select the best answer from the choices provided T F
False! Greywater is easier to treat and process than blackwater.
It is a false statement that "Blackwater is cheaper and easier to process than greywater."
What is black water and grey water?The term black water refers to waste water that emanates from the sewers such as from bathrooms, kitchens, toilets etc. Grey water is water that is obtained from sinks and from the washing machine which is less in pathogen content.
It is easier to treat grey water than black water since grey water contains less microbial load than grey water.
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Which of these characteristics would be common to all of these organisms early in development? A) hair B) scales C) gill slits D) mammary glands
i would have to say the answer is C. gill slits
A patient has just received an organ transplant. Which treatment would be the most effective in preventing the patients body from rejecting the organ?
To prevent the rejection of transplanted organ or graft the patient is advised to take immuno-suppressant drugs. These immuno-suppressants are necessary to prevent any immune reaction against the graft. Immune cells such as T-cell and B-cells may recognize the graft as foreign and act against the markers on the surface of transplanted organ leading to rejection. To minimize such response of immune system against the graft immuno-suppressants are given. Ex: Corticosteroid - prednisolone.
Answer:
The LAS determines who would benefit most from a transplant.
The LAS is based on age, oxygen requirement, pulmonary function and the distance walked in 6 minutes.
Explanation:
on edge
Can someone please help me asap
the pictures don't show bro
Hypothesis: What do you predict you will find about the number of cells in each of the phases of the cell cycle? Provide an explanation for your prediction.
For the Data and Observation refer the image attached.
Data Analysis:
Calculate the percentage of the cell cycle spent in each stage.
Number of cells in given stage ÷ total number of cells counted × 100 = % of the cell cycle spent in this stage
Conclusion:
Be sure to answer the following reflection questions in the conclusion of your lab report:
Based on your data, what can you infer about the length of time spent in each stage of the cell cycle?
The most time is used in the cell cycle is in the interphase.
What stages were the longest and shortest? Give a brief explanation of why these stages may have that time period.
The longest phase of the cell cycle is the Interphase. Most of the total time of cell cycle is spent in the Interphase. The reason for this being is that the cell prepares itself for its division, and also in this phase, the necessary protein for the duplication of organelles occurs.
the numbers of cells will get less.
________ is composed of multiple globular molecules polymerized to form long chains or filaments.
A. Actin
B. Tropomyosin
C. Troponin
D. Myosin
E. Titin
E is the correct answer or its b
The substance composed of multiple globular molecules polymerized to form long chains or filaments is Actin. It is one of the key structural proteins in living cells.
Explanation:The answer to the question, '________ is composed of multiple globular molecules polymerized to form long chains or filaments' is Actin (Option A). Actin is a multi-functional protein that plays a vital role in various cellular functions. Actin is a family of globular proteins found in cells, playing a vital role in various cellular processes, especially in muscle contraction.
Actin filaments are a key component of the cytoskeleton, providing structural support to the cell and enabling cell movement.
Actin filaments are involved in cell division, cell shape maintenance, and intracellular transport.
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Hich statement best describes the components of nucleic acids? They are made up of chains of amino acids. They are made up of carbon, hydrogen, and oxygen only. They are made up almost entirely of carbon and hydrogen. They are made up of nitrogen bases, sugars, and phosphates.W
The majority of Earth is covered with water. Water takes longer to heat up and cool down which has an impact on the air temperature. The slow change in water temperature is due to water's A) conductivity. B) high specific heat. C) high reflective capacity. D) ability to dissolve many substances.
Answer:
The correct answer is option B) high specific heat.
Explanation:
Water is present all over the globe and covered the whole earth. The specific heat of the water is the highest of any other liquid. Specific heat is the amount of heat, must be absorbed or removed by the one gram of a substance to 1 degree Celsius change in temperature.
The specific heat of the water plays an important role as it can absorb a lot of heat without a significant increase in the temperature.
Thus, the correct answer is option - B) high specific heat.
Final answer:
Water's (option B) high specific heat is the reason it takes a long time to heat up and cool down, leading to its role in moderating environmental temperatures and aiding in the thermal regulation of warm-blooded animals.
Explanation:
The slow change in water temperature is due to water's (option B) high specific heat. Specific heat is the amount of heat one gram of a substance must absorb or lose to change its temperature by one degree Celsius. For water, this amount is one calorie, and because water has the highest specific heat capacity of any liquid, it takes longer to heat up and cool down compared to other substances like sand.
Water's high heat capacity plays a significant role in moderating temperatures in coastal areas compared to inland regions. This is because water absorbs or releases large amounts of heat with little change in its own temperature, acting as a natural temperature buffer for the environment.
Furthermore, this property is utilized by warm-blooded animals to distribute heat more evenly in their bodies, similar to how a car's cooling system works, maintaining a more stable internal temperature.
What are the negative effects of rising ocean temperatures? Check all that apply.
the melting of glaciers and polar ice caps
the drying out of fertile land and the formation of dust bowls
the flooding of low-lying coastal areas
the faster evaporation of water in the soil
the decreased frequency of major storms
Answer:
Option (1) and (3)
Explanation:
The ocean covers a large portion of earth and the temperature of the ocean rises due to the high absorption of heat. This is because of the higher amount of incoming solar radiation and the increasing green house gases in the atmosphere of the earth.
This increasing temperature of the ocean has certain negative effects.
Due to the increasing ocean temperature, the ocean water will become warm that will enhance the temperature of the polar water, as a result of which the glaciers and ice caps of the polar region will melt.
The increasing ocean water temperature will lead to the evaporation of water into the atmosphere, which will eventually cause rainfall. This will cause flooding in the low-elevated coastal areas. There occurs increasing frequency of major storms.
Thus, the correct answers are options (1) and (3).
Answer:
the flooding of low-lying coastal areas
option b
Explanation:
edge 2024!
Write a letter to your parents explaining how you received your Gene's. And try to explain to your parents why you look the way you do.
All you need to do is write adout why you look,sound and act the way you do.
Describe what is happening in terms of atoms and bonds in this chemical reaction
Will give brainliest to the best and most detailed (without making it too long) response!!
The atoms are going through decomposition.They are breaking apart into the elements they are made of.
In a chemical reaction, substances (reactants) interact and their atoms form or break bonds, resulting in new substances (products). This happens as atoms strive to reach a stable state by filling their outermost electron shell, often through sharing, donating or receiving electrons which results in chemical bonding. In the provided example, two Hydrogen atoms and one Oxygen atom react to form a water molecule.
Explanation:In a chemical reaction, bonds between atoms are made or broken, forming different molecules. In the beginning, the entities involved are known as reactants (like the 2 Hydrogen atoms and an Oxygen atom in your example). During the reaction, these atoms interact, forming or breaking bonds, and once the reaction is complete, we have new substance(s) called products, in your example, H2O (water).
Chemically, this is happening due to the behavior of electrons in the participating atoms. All elements are most stable when their outermost shell is filled with electrons (according to the octet rule), and the reactions happen to help atoms achieve this stable state. They can donate, accept, or share their electrons in a process called bonding. For example, in the case of water formation, the Hydrogen atoms share their electrons with the Oxygen atom, resulting in a stable arrangement fulfilling the octet rule for Oxygen and the duet rule for Hydrogen.
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New milestones in environmental policy will most likely deal with long-term issues. Please select the best answer from the choices provided T F
im pretty sure it is true
Answer:
it is TRUE!!!!!
Explanation:
What time period lasted for more than half of the hypothesized history of the Earth? a. Carboniferous c. Paleozoic b. Cretaceous d. Precambrian Please select the best answer from the choices provided
What time period lasted for more than half of the hypothesized history of the Earth?
d. Precambrian
Your awnser in D] Precambrian. Hopefully i could help :)
Differentiate between carrying capacity and population density.
Carrying capacity is as the maximal load of a particular environment.
population density: the number of individuals per unit area or volume
Final answer:
Carrying capacity is the maximum size of a population that can survive using available resources, while population density refers to the number of individuals per unit area. Carrying capacity can vary, while population density describes how individuals are distributed within an area.
Explanation:
Carrying capacity refers to the maximum size of a population that can survive using the available resources, while population density refers to the number of individuals per unit area. Carrying capacity can vary up or down depending on the availability of resources, whereas population density describes how individuals are distributed within a given area. For example, a population of deer in a forest may have a carrying capacity determined by the amount of food and shelter available, while population density would describe how closely the deer are distributed throughout the forest.
which part of a cardinals niche helps limit the size of the sunflower population in its ecosystem ? PLZZ HELP
The cardinal's niche helps limit the size of the sunflower population in its ecosystem through several factors: 1. Seed dispersal 2. Predation control 3. Pollination assistance 4. Habitat modification
1. Seed dispersal: Cardinals are known to eat sunflower seeds and then disperse the undigested seeds in different locations through their droppings. This helps to spread the seeds across a wider area, reducing competition among sunflower plants and limiting their population density in any one particular area.
2. Predation control: Cardinals are predators of insects and small animals that may prey on sunflower plants or their seeds. By feeding on these potential pests, cardinals help keep their population in check and prevent them from negatively impacting the sunflower population.
3. Pollination assistance: Cardinals are attracted to the bright colors and nectar of sunflowers. As they visit the flowers to feed, they inadvertently transfer pollen from one flower to another, aiding in the process of pollination. This promotes healthy reproduction and genetic diversity among sunflower plants, which can help regulate their population size.
4. Habitat modification: Cardinals often create nests in the branches of trees and shrubs near sunflower patches. Their presence and activities can modify the surrounding habitat, making it less suitable for sunflower growth or limiting the availability of resources necessary for sunflower survival. This indirectly affects the size of the sunflower population.
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The cardinal's niche limits the sunflower population in its ecosystem through its role as a seed predator, consuming the seeds and hence reducing the number of seeds available to grow into new sunflower plants.
Explanation:The part of a cardinal's niche that helps limit the size of the sunflower population in its ecosystem is its role as a seed predator. Cardinals are known to feed on the seeds of a variety of plants, including sunflowers. This consumption of seeds reduces the number of seeds that are able to germinate and grow into new plants, potentially limiting the population size of sunflowers in the ecosystem where the cardinals live.
Similar to the Karner blue butterfly and the wild lupine in its oak-pine barren habitat, the cardinal's influence on its ecosystem is an example of population ecology, the study of how the numbers and distribution of organisms in an ecosystem change over time based on factors like available resources and interactions with other species.
Thus, by feeding on sunflower seeds, cardinals can play an important role in maintaining the balance of their ecosystem and controlling the population size of sunflower plants.
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The amount of ____ that a food contains is measured in calories.
Fat,
Energy,
Protein,
Carbohydrates
Carbohydrates because a calorie is the carbohydrate. A carbohydrate is made up of protein and fat.