Answer
A
Explanation
The parent rock is the soil horizon that contains big unweathered rocks. As the rocks weather, they form the soil horizon above (from the substratum, subsoil) until the topsoil is fine and deep enough to support plant vegetation.
Answer:
A. horizon parent rock
Explanation:
Soil horizon is one the most distinctive features of the soil profile.The Soil profile consist of different layers known as horizons . The major layers of the soil is the top soil, the subsoil and the parent rock(Bedrock).
The parent rock is the bed rock which lies just below the subsoil. It has very limited amount of organic matter . it mostly comprises of rocks and stones . Generally, this layer is very hard . The bed rock area is also known as horizon C.
This area marks the region where the soil is form. The rock in this area are weathered to form the soil .So, this parent rocks determines the characteristics of the soil in that region.
What is a transgenic organism
Genes of one species can be modified, or genes can be transplanted from one species to another. Genetic engineering is made possible by recombinant DNA technology. Organisms that have altered genomes are known as transgenic. Most transgenic organisms are generated in the laboratory for research purposes.
What two events take place during human sexual reproduction
option a and b please mark a brianlist
Answer
The answer would be a and b
I hope I helped
What is needed for an idea to be scientifically reliable?
In order for an idea to be considered scientifically-reliable it must be supported by evidence. Furthermore, in order for an idea to be supported by evidence it must be testable; you must create and conduct an experiment that provides evidence that supports your idea. Other people should also be able to repeat your experiment and obtain similar results.
How many teeth does an aardvark have?
1,500.
Hope that helps and good luck
~May
Aardvarks, unlike the amphibians and primates discussed in the information provided, do not have a traditional set of teeth; they only possess cheek teeth which continuously grow, resulting in a total of up to 20 peg-like teeth.
The question is asking how many teeth an aardvark has. However, the provided information does not include specifics about an aardvark's dentition but rather discusses various details about the dental anatomy of amphibians, early hominins, and other primates. It is known that adult aardvarks lack incisors and canines; they only have cheek teeth which are not covered in enamel and are continuously growing.
Typical adult aardvarks have a dental formula of 0.0.2-3.3, meaning they can have a total of 20 teeth. These teeth are peg-like and not well defined. The information provided gives a good understanding of dental variations among different species but does not specifically describe the aardvark's dentition.
What are some rocky planets and what are their order from the sun?
Mercury, Venus, Earth, Mars
hope this helps :)
Answer:
Mercury, Venus, Earth, and Mars. These are the rocky or terrestrial planets.
the first three phases of the cell cycle are collectively called
I believe it was interphase.
The first three phases of the cell cycle are collectively called the "interphase."
How are the first three phases of the cell cycle are collectively called?Interphase is the longest phase of the cell cycle and accounts for the majority of a cell's life. It is the period between cell divisions when the cell prepares for division and carries out its normal functions. Interphase consists of three distinct phases:
G1 Phase (Gap 1 Phase): During this phase, the cell undergoes growth, carries out its normal metabolic activities, and prepares for DNA replication. The cell accumulates resources and organelles necessary for the subsequent phases.
S Phase (Synthesis Phase): In this phase, DNA replication takes place. The cell synthesizes an identical copy of its DNA to ensure that each resulting daughter cell will have a complete set of genetic information.
G2 Phase (Gap 2 Phase): Following DNA replication, the cell continues to grow and prepare for cell division. It synthesizes additional proteins, organelles, and other necessary components for cell division. G2 phase serves as a checkpoint to ensure that DNA replication has occurred accurately before entering the next phase, mitosis.
After the interphase, the cell enters the mitotic phase, which includes mitosis (nuclear division) and cytokinesis (division of the cytoplasm), resulting in the formation of two daughter cells. However, the interphase is collectively used to describe the G1, S, and G2 phases of the cell cycle, as they are the stages that precede cell division.
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Which cell organelles are present in greater numbers in cells with high energy demands?
A. Nuclei
B. Mitochondria
C. Lysosomes
D. Golgi apparatus
Answer: The correct answer would be option B.
Explanation:
Mitochondrion, also known as energy house of the cell, is a cell organelle mainly involved in the production of cellular energy, that is, ATP.
It is a double membrane-bound cell organelle which contains majority of enzymes involved in cellular respiration including ATP synthase.
All the metabolic processes involved in cellular respiration apart from glycolysis take place in mitochondria only. For example, Krebs cycle, oxidative phosphorylation, electron transport chain, chemiosmosis, et cetera.
Thus, mitochondria would be present in greater numbers in the cells which have high energy demands.
Which compound is inorganic?
The correct answer is B.
d i think because that is calcium plus hydrogen correct me if im wrong dont judge me im rubbish at biology
What comes from the food you eat that can be important to the proper function of enzymes?
Fatty acids, vitamins, certain minerals, and essential amino acids from food are all crucial to the proper function of enzymes in our bodies.
Explanation:Several elements from the food you eat are crucial for enzyme function. Essential fatty acids like omega-3 alpha-linolenic acid and omega-6 linoleic acid, for instance, are needed to create some membrane phospholipids. Another important group of nutrients are vitamins, which are necessary for many enzymes to function. Some vitamins act as coenzymes, helping enzymes perform their tasks. Certain minerals, referred to as cofactors, also play an essential role in enzyme functionality.
Lastly, not all amino acids can be synthesized by the body, so these must be obtained from the food we consume. These are often referred to as 'essential' amino acids. As the building blocks of proteins, such as enzymes, obtaining these through diet is crucial.
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Answer:
D substrates
Explanation:
1. producer
gets energy directly from producer
2. primary consumer
breaks down dead organisms
3. carnivore
eats only meat
4. omnivore
eats meat and plants
5. decomposer
makes own food
1. Producer:
Makes own food
2. Primary consumer:
Gets energy directly from producer
3. carnivore
Eats only meat
4. omnivore
Eats meat and plants
5. Decomposer
Breaks down dead organisms
Hope this helps :)
Answer:
Producers: They make their own food by the process known as photosynthesis which uses sunlight, chlorophyll, carbon dioxide, water, et cetera.
Primary consumers: They are the group of organism that feed on the producers for their energy requirement. Example: Herbivores animals.
Carnivores: The animals that feed on meat only. Example: wolf and lion.
Omnivores: The animal;s that feed on both plants and animals is known as omnivores: Example: Fly and ants.
Decomposers: They break down the dead and decaying organic matter for recycling the nutrients into the soil. Example: Fungi
The cell theory applies to all organisms, including the 5 shown in the picture. Which of the following statements describes how these organisms are an example of the cell theory?
A) The organisms have cells that lack a nucleus.
B) The organisms are made of one or more cells.
C) The cells of the organisms undergo photosynthesis.
D) The cells of the organisms are identical to each other.
Correct Answer: B
All of these organisms are made up of at least one cell. The fourth one (Euglena) is a unicellular organism (made up of 1 cell), and the rest are multicellular organisms (made up of many cells).
Incorrect Answers:
A.
All of these organisms are not only made up of cells, but more specifically these organisms are all made up of eukaryotic cells. This means that their cells have a nucleus. The other classification of cells (prokaryotic cells) do not have a nucleus. These are basically just bacteria, and there are no bacteria pictured in this problem, so this is a false answer choice.
C.
Some of these organisms undergo photosynthesis, but not all of them do. Photosynthesis is the process in which organisms convert sunlight, water and CO2 into glucose and oxygen. This is how plants (and some other special organisms as well) "make their own food". There are several organisms on this list that are not green plants, so this is a false statement.
D.
Although these organisms are all made up of eukaryotic cells (having a nucleus), their cells are definitely not identical. One major difference is that between a PLANT eukaryotic cell and an ANIMAL eukaryotic cell (***see pic below***). Other differences would be seen as well if we compared cells from all of these organisms under a microscope, so this is a false answer choice.
Answer:
B
Explanation:
rewrite the following sentence to make it true.
Geologists subdivide periods into eras
Geologist subdivied eras into periods
The answer of life
Life is what you make of it :)
Which of these functions would be most immediately affected by a reduction in water up take my roots which of these functions would be most immediately affected by a reduction in water uptake by roots?
•Disease resistance
•Seed dispersal
•Sunlight Absorption
•Photosynthesis
The functions that will be most immediately affected by a reduction in water uptake by roots would be Photosynthesis and Sunlight Absorption.
Water and plantWater constitutes approximately 90% of the plant weight, acting in practically all physiological and biochemical processes. It serves as a
SolventThrough which gasesMinerals and other solutesEnter cells and move through the plant. It also has an important role in the thermal regulation of the plant, acting both in cooling and in the maintenance and distribution of heat. If a plant's soil has too much water, the roots can rot and the species doesn't get enough oxygen from the soil.
With this information, we can conclude that water is used for chemical and biochemical processes supporting metabolism, which uses sunlight to split the content into hydrogen and oxygen.
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A reduction in water uptake by the roots would immediately affect the photosynthesis process. This is due to water’s crucial role in photosynthesis where plants turn sunlight into chemical energy. Other functions like disease resistance, seed dispersal and sunlight absorption won't show immediate effects.
Explanation:The function that would be most immediately affected by a reduction in water uptake by roots is Photosynthesis. This is because water is a crucial component in the photosynthesis process, where plants convert sunlight into chemical energy. By reducing the water uptake, the plant would not have enough water to carry out photosynthesis efficiently, thus affecting the plant's energy production and growth.
Disease resistance, seed dispersal, and sunlight absorption would not be immediately affected because these functions either don't rely directly on the quantity of water available, like photosynthesis does, or take a longer time to show effects of reduced water uptake.
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In a population of 1000 individuals, 500 new individuals were born and 200 individuals died over the course of 1 year. Which equation shows how to calculate the population growth rate of this population?
(Initial individuals + newborn individuals) - dead individuals = total individuals
Growth rate = (total individuals/initial individuals) * 100
Population growth rate = new percentage minus 100%
Calculations
(1000 + 500) - 200 = 1500 - 200 = 1300
Growth rate = (1300/ 1000) * 100
= 1.3 * 100
= 130%
Population growth rate = 130% - 100%
= 30% per year if it is uniform
Answer:
0.50 - 0.20 = 0.30
The diagram below shows a food web.
A food web diagram showing the letter A with an arrow pointing away from it to a beetle. There is an arrow from the beetle pointing to a racoon. There is also an arrow pointing to the racoon from the letter B and an arrow pointing to the racoon from corn. There an arrow pointing from blackberries to the letter B.
If a certain organism is a producer, what best explains its position in the food web?
A: B, because organism B utilizes radiant energy from the sun
B: A, because organism A has the same role as the corn
C: B, because organism B has the same role as the racoon
D: A, because organism A utilizes energy from the beetle
(ANSWER)
Choice B, because the beetle gets energy from A. The racoon gets energy from the beetle, B, and corn. And B gets its from blackberries.
The statement (B) best explains its position in the food web.
What is food web?A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.
Moreover, the food web is a simplified illustration of the various methods of feeding that links an ecosystem into a unified system of exchange. There are different kinds of feeding relations that can be roughly divided into herbivory, carnivory, scavenging and parasitism.
Food webs can be used to study bottom-up or top-down control of community structure. Food webs illustrate energy flow from primary producers to primary consumers (herbivores), and from primary consumers to secondary consumers (carnivores).
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Which of these would reflect more light?
snow
ocean
Forest
Snow, White is all of the colors being reflected back making A the answer.
Answer: Snow
Explanation:
Snow is a an aggregate of white ice crystals typically develop in regions of cold temperatures. The snow shoes typical white appearance because of the fact that most of all the visible light from the sunlight is reflected by the snow, which gives it a white appearance. Most of the materials do absorb the sunlight energy which gives them a definite color but as the snow reflects all the visible light it attains a white color.
I’m not sure how to figure this out
1:
A)female
B) there is two x chromosomes
C) 21
D) error in cell division called nondisjunction
2:
A) male
B) there is a y chromosome
C) X
D) random error.
Solvent contains chlorofluorocarbons or hydrochlorofluorocarbons which can evaporate and damage the ozone layer. A) True B) False
The statement is - True.
The solvent do contains chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFC) which evaporate and enter the atmosphere. Because they are very light, the CFC and HCFC manage to get very high into the atmosphere, reaching the ozone layer in the stratosphere. They are actually the two substances that are the most damaging to ozone layer, as once they get in touch with it, they break down its structure, thus creating the ozone holes.
The ozone is crucial for the survival of the living organisms on the Earth as it is the layer that manages to stop most of the ultraviolet rays form the Sun to reach the surface. Because of that, these two substances have to be replaced quickly as the ozone layer is becoming more and more damaged, and that can eventually lead to a tragedy
PLZZZZZZZZZZZZZ HELP WILL BE GIVING 10 POINTS!!!! And PLZ HELP WITH MY OTHERQUESTION TOO Which of the following is most likely true about the organisms discussed in the paragraph above? A. Organism B and Organism C share more behavioral characteristics with one another than they do with Organism A. B. Organism A and Organism B share more structural characteristics with one another than they do with Organism C. C. Organism A, Organism B, and Organism C all have the exact same structural and behavioral characteristics. D. Organism A, Organism B, and Organism C do not share any structural characteristics with one another.
Answer:
A. Organism B and Organism C share more behavioral characteristics with one another than they do with Organism A. B. Organism A and Organism B share more structural characteristics with one another than they do with Organism C. C. Organism A, Organism B, and Organism C all have the exact same structural and behavioral characteristics. D. Organism A, Organism B, and Organism C do not share any structural characteristics with one another.
Explanation:
Given that Organism A and B are Mammalia and Organism C is Aves; Organism A and Organism B share more structural characteristics with one another than they do with Organism C. Option D
What does the classification of Mammalia and Aves further tells us about the organisms?Organisms A, B, and C are all classified within the Phylum Chordata, which means that they all share certain structural characteristics, such as a notochord, a dorsal nerve cord, and pharyngeal slits.
Organisms A and B can be further classified into Class Mammalia, which means that they share even more structural characteristics, such as fur, mammary glands, and a four-chambered heart.
Organism C, on the other hand, is classified into Class Aves, which means that it shares some structural characteristics with Organisms A and B, but also has some unique characteristics, such as feathers and wings.
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The above answer is based on the full question
Organism A, Organism B, and Organism C are all classified within the Phylum Chordata. Organism A and Organism B can be further classified into Class Mammalia. Organism C, on the other hand, can be further classified into Class Aves.
Which of the following is most likely true about the organisms discussed in the paragraph above?
A. Organism A, Organism B, and Organism C all have the exact same structural and behavioral characteristics.
B. Organism A, Organism B, and Organism C do not share any structural characteristics with one another.
C. Organism B and Organism C share more behavioral characteristics with one another than they do with Organism A.
D. Organism A and Organism B share more structural characteristics with one another than they do with Organism C.
Create a Punnett Square to illustrate the probability of a black rabbit if a white male were mated with a black female. Use W for white, which is dominant, and b for black, which is recessive (hint: create a Punnett Square for a homozygous white male and a heterozygous white male).
There you go!! The Pheno type is 100% white male and Genotype is 100% Wb
Answer:
0%
Explanation:
Allele for white colour is represeted by w.
Allele for black colour is represented by b.
b allele is recessive to w allele.
Homozygous white rabbit will have the genotype ww.
Heterozygous white rabbit will have the genotype wb.
Crossing ww and wb:
ww x wb = ww, wb, ww, and wb
Since w is dominant over b, it means all of the offspring are white with 50% being homozygous and 50% being heterozygous.
The probability of a black rabbit offspring is 0%.
See the image for the Punnet square analysis.
A change occurs in an environment that lasts for three days and causes an immediate, dramatic impact. What can be known about this change ?
A. It is a short-term change.
B. It is a long-term change.
C. It is a flood.
D. It is an ice age
Answer:The Answer is A
Explanation:
It is a short-term change because it happens rapidly. Just took the Pre-Test
Answer:
A. It is a short-term change.
Explanation:
Why are wetlands referred to as “biological supermarkets”
Answer:Wetlands are referred to as “biological supermarkets because they have extensive food webs that attract animal species, they possess unique habit and they are also rich in biodiversity.
Explanation:Wetlands are referred to as “biological supermarkets because they have extensive food webs that attract animal species, they possess unique habit and they are also rich in biodiversity. The animals that wetlands attract uses wetland for their life cycle. Wetlands can be described as areas where water covers the soil.
Answer:Wetlands are referred to as “biological supermarkets because they have extensive food webs that attract animal species, they possess unique habit and they are also rich in biodiversity.
Explanation:Wetlands are referred to as “biological supermarkets because they have extensive food webs that attract animal species, they possess unique habit and they are also rich in biodiversity. The animals that wetlands attract uses wetland for their life cycle. Wetlands can be described as areas where water covers the soil.
Cystic Fibrosis is an autosomal recessive disorder. Explain how it is possible that two parents that do not have this disorder can have a child that does.
Both parents can be carriers (heterozygous) of the CF gene, and when both pass the defective gene, the child develops CF.
Cystic Fibrosis (CF) is an autosomal recessive disorder, which means that a child can inherit the disorder only if they receive two copies of the defective gene, one from each parent. In this scenario, both parents are carriers of the CF gene, meaning they have one normal copy and one mutated copy of the gene. Carriers are typically healthy individuals because one functional copy of the gene is sufficient to produce the necessary protein.When both parents are carriers (heterozygous), there is a 25% chance with each pregnancy that their child will inherit two mutated copies of the CF gene, resulting in CF. There is also a 50% chance that the child will be a carrier like the parents, and a 25% chance that the child will inherit two normal copies of the gene, making them non-carriers and unaffected by CF.Thus, even if both parents do not have CF, they can have a child with CF if they are both carriers of the mutated gene and pass on the defective gene to the child.For more such questions on CF gene:
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What leads to increase genetic variation in a population
Genetic variation happens when one organism in the population mates with a genetically different organism. Same species, different genetics such as color or height/weight.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
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Two shopping carts are pushed with the same amount of force. However, one shopping cart has a greater mass than the other. How does the mass of the shopping carts affect their acceleration?
A. The shopping cart with the most mass will accelerate less than the shopping cart with the least mass when the same force is applied.
B. Both shopping carts will accelerate at the same rate, since it is force and not mass that determines acceleration rate.
C. The shopping cart with the most mass will accelerate more than the shopping cart with the least mass when the same force is applied.
Answer:
A
Explanation:
the more mass the less acceleration
What are the characteristics of the reproductive strategy shown in the image
Protection from predators and high percentage of offspring reach productive age would most likely be the answers.
Answer:
The correct answer is protection from predators.
Explanation:
The reproductive strategy is the term that is used to signify the manner in which an animal mates and raises the offspring. It could also signify towards the one reproductive episode in a lifetime versus the multiple reproductive episodes over the entire life of an organism. The reproductive strategies signify towards an array of morphological, behavioral, and physiological adaptations, which helps in accessing the potential mates, better the chances of fertilization and mating, and increases survival of an infant. In the given image, the protection from predators is demonstrated.
What human profession or career is similar to the function of the cell wall and cell membrane
The law enforcement. More specifically the government. The government lets people in just like the cell wall. It keeps all of the bad things out( bad laws/ideas) and keeps the good ones in. Just like the cell wall does to good and bad bacteria. HOPE THIS HELPS!!!
Cell wall and membrane functions are akin to security personnel and border control agents, ensuring protection and regulating passage.
The function of the cell wall and cell membrane in a cell can be likened to the roles of security personnel or border control agents in human professions. Just as the cell wall provides structural support and protection to the cell, security personnel maintain the integrity and safety of a facility or border. Similarly, the cell membrane regulates the passage of substances in and out of the cell, controlling what enters and exits. This function is analogous to the role of border control agents who monitor and control the movement of individuals and goods across borders, ensuring the security and integrity of a country or region.
which of the following can evolve? A) individual organisms,
B) species,
C) communities D)population
In the biological context, only species and populations can evolve because evolution involves changes in gene frequencies within a population over generations. Changes within an individual's lifespan or communities do not count as evolution.
Explanation:In the context of biology, of the following options given, only species and populations can evolve. This is because evolution involves changes in gene frequencies within a population over generations, a process which cannot occur in individual organisms as evolution is not an event that occurs within an individual's lifespan. Communities, like a community of different species in a forest, do not evolve in a biological sense, although their composition can change over time due to various factors such as migration, competition, predation etc.
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in a pea plant, an allele for a tall stem is dominant to an allele for a short stem. you see a pea plant with a short stem. what can you conclude about the genotype of this plant?
Despite that tall was dominant, the stem is short because of previous generations.
It's like when you look more like ur grandmother than ur mom.
A pea plant with a short stem manifests a recessive trait and therefore its genotype is 'tt'. This is because the short stem trait can only be visible with absence of the dominant tall stem allele.
Explanation:In the context of a pea plant, seeing a short stem indicates that the plant has the genotype for short stems, which is recessive. This is because a tall stem is a dominant trait, represented by a capital letter (T), while a short stem is a recessive trait, represented by a lowercase letter (t). So, a pea plant with a short stem must have two recessive alleles, hence the genotype is 'tt'.
The explanation for this comes from Mendelian genetics. According to Gregor Mendel's experiments with pea plants, one can deduce that plants with a dominant trait can be either homozygous dominant (TT) or heterozygous (Tt). However, a plant with a recessive trait, like a short stem, can only be homozygous recessive (tt) as the short stem trait will only appear when there are no dominant alleles present.
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