Having stomata on the underside of leaves has several advantages that can help the plant to survive.
Stomata refers to small openings on the surface of leaves that are responsible for gas exchange between the leaf and the surrounding air. It allows for the uptake of carbon dioxide and the release of oxygen and water vapor. The majority of stomata are located on the underside of leaves, and there are several reasons why this might be adaptive. This is a
1. Reduces water loss
The underside of leaves tends to be cooler and more humid compared to the top surface. Therefore, having stomata on the underside of leaves reduces water loss due to evaporation, since the humidity levels will be higher.
2. Protection from sunlight
Having stomata on the underside of leaves can protect the plant from intense sunlight. Too much sunlight can cause the plant to lose water too quickly, which can affect its survival.
3. Prevents damage from herbivores
Herbivores such as insects and mammals may eat the stomata in an attempt to feed on the plant. The stomata on the underside of leaves are less likely to be eaten since they are not easily accessible.
4. Prevents dust accumulation
Having stomata on the underside of leaves can also prevent dust accumulation, which can reduce the rate of photosynthesis. The presence of stomata on the underside of leaves prevents the dust from settling on the top surface, which is more exposed.
5. Increases light absorption
The underside of leaves tends to be lighter than the top surface since it is not exposed to sunlight. Having stomata on the underside of leaves increases the amount of light that the plant can absorb, which can improve photosynthesis.
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Is a chicken egg biotic (living) or abiotic (non-living)? *
biotic (living)
abiotic (non-living)
Answer:
its biotic
Explanation:
Chicken egg is biotic.
What are biotic or abiotic components?
Biotic components are living organisms while abiotic components are nonliving organisms. All biotic components are living components of ecosystem. Bacteria and birds, animals are living components.
Abiotic components are non living components. sunlight, water and temperature are the non living components. Biotic factors are producers, herbivores and omnivores.
Abiotic components are physical and chemical components that act on the living components. In chicken cell the yolk which is living cells.
Biotic components also include the waste from living things and dead organisms. Earth have many biotic components. The surface of Mars has no biotic components.
Therefore, Chicken egg is biotic.
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when populations increase resource depletion may bring about
Answer:
Less food, overpopulation means less housing and more criminal activity.
Explanation:
Less food, overpopulation means less housing and more criminal activity.
The plates of the Earth’s crust are in constant motion. Describe how this happens.
HELP ME PLEASE!!!
Cells actively involved in secreting proteins would contain large numbers or quantities of ________.
Cells producing huge portions of proteins would have numerous nucleoli. One potential explanation that the proteome is such an ample deal bigger than the genome is that mRNAs can be grafted in elective ways in this manner expanding the Digi of items paid from a clear rate.
Ribosomes are especially plentiful in cells that orchestrate a lot of protein. For instance, the pancreas is answerable for making a few stomach-related catalysts and the cells that produce these compounds contain numerous ribosomes.
Cells that successfully produce proteins have various ribosomes in the cytoplasm, which give it a dull blue tone (basophilia) when stained with Wright stain. Cytoplasmic basophilia is especially unmistakable in erythroid forerunner cells when hemoglobin and other cell parts are effectively orchestrated.
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PLEASE HELP! ITS A BIOLOGY QUESTION.
Answer:
A) Red Light
B) Green Light
A) Blue Light
B) Cyan Light
Explanation:
I believe that you are overthinking this. White light is a combination of all the colors on the visible spectrum. This means that if you shine a white light through a red filter, it will only show the red light that is in the white light. There will be only red because the other colors of the spectrum are not visible due to the filter.
This rule applies to all of the filters.
The brain is a solid organ that lacks cavities. true/false
True. The brain is a solid organ that lacks cavities. Unlike other organs in the body, such as the lungs or stomach, the brain does not have any empty spaces or cavities within it.
The Instead, the brain is made up of a complex network of neurons, blood vessels, and supportive tissues that work together to allow us to think, feel, and function. While there are some fluid-filled spaces within the brain, such as the ventricles that produce and circulate cerebrospinal fluid, these are not considered to be true cavities. the brain is a solid organ that lacks cavities. Understanding the basic anatomy of the brain is important for diagnosing and treating neurological conditions, as well as for advancing our knowledge of how the brain works.
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The brain does have cavities, known as ventricles, filled with cerebrospinal fluid, thus the statement is false.
Explanation:
The statement 'The brain is a solid organ that lacks cavities' is false.
The brain, a large organ of the central nervous system, is not completely solid. The brain includes various regions such as the cerebellum, cerebral cortex, and many more that help in different functions. However, it also has hollow spaces called ventricles, which are filled with a clear liquid known as cerebrospinal fluid (CSF). The CSF acts as a shock absorber for the brain, protecting it from damage, and provides nutrients while removing waste.Learn more about Brain Structure here:https://brainly.com/question/31671300
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a) A man has two recessive alleles. What is his phenotype? (1 point)
Answer:
His phenotype would be having dry earwax
Explanation:
the glomerulus is a unique high-pressure capillary bed because the
The glomerulus is a unique high-pressure capillary bed in the kidneys. This filtration bed is considered high pressure due to the type of vessels feeding and draining it. The afferent arteriole feeding the glomerulus is larger in diameter than the efferent arteriole draining the bed.
This anatomical characteristic makes the blood entering the bed to be under high pressure and leaves the bed under lower pressure. This pressure differential between the two arterioles forces fluids and solutes through the walls of the capillaries and into the urinary tubules for further filtration. Therefore, the larger diameter of the afferent arteriole provides a higher volume of blood under higher pressure to the glomerulus, increasing the efficiency of the filtration. The smaller diameter of the efferent arteriole slows the blood flow, increasing the pressure inside the capillaries and maintaining the high pressure in the bed. This anatomical feature provides a unique and efficient filtration mechanism to the kidneys.
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complete question: The glomerulus is a unique high-pressure capillary bed, because the ______ arteriole feeding it is larger in diameter than the ______ arteriole draining the bed.
Describe how a vein of silver forms from a solution.
What type of air mass forms over Charlotte, NC
Crossing-over does not occur between linked genes.
TRUE
FALSE
-8(y+2)=32 plz help its due today
Answer:
y=-6
Explanation:
Assuming we're solving for y... we should isolate y.
\(-8(y+2)=32\\-8y-16=32\\-8y=48\\y=-6\)
Answer:
-6
Explanation:
Write -8(y + 2) = 32 in expanded form.
-8y - 16 = 32
Now, find the value for y.
Do the inverse of subtraction to add 16 to both sides.
-16 + 16 cancels out.
32 + 16 = 48
Now you have the equation.
-8y = 48
Solve for y. To do that do the inverse of multiplication and divide both sides by 8. -8y divided 8, 8 and 8 cancels out. Leaving you with -y. Then divide 48 by 8, which is 6.
Finally, you should have -y = 6 which is the same thing as y = -6. So therefore, -6 is the value for y.
A derived character that is shared among two or more lineages is also called a(n) ______. A) apomorphy. B) plesiomorphy. C) synapomorphy. D) clade.
A derived character that is shared among two or more lineages is called a synapomorphy. The answer is C)
Synapomorphies are important concepts in evolutionary biology and phylogenetics. They represent shared derived traits that evolved in a common ancestor and are inherited by all its descendants.
In phylogenetic analysis, scientists use shared derived characters, or synapomorphies, to establish evolutionary relationships between organisms.
These traits are contrasted with ancestral characters, known as plesiomorphies, which are present in the common ancestor but may be shared by a larger group of organisms beyond the immediate lineage under consideration.
Apomorphy is a term that refers to any derived character, regardless of whether it is shared or unique to a specific lineage. Plesiomorphy, on the other hand, describes an ancestral character that is present in a lineage and its ancestors. Clade refers to a group of organisms that includes an ancestor and all of its descendants.
Therefore, the correct term for a derived character shared among two or more lineages is a synapomorphy, which is option C).
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the cell membrane is a ___________ mosaic.
Answer:
fluid
Explanation:
Answer:
The fluid mosaic
Explanation:
I hope this helps you!
the production of pepsinogen as an inactive proenzyme is an adaptation that most likely provides which evolutionary advantage?
The production of pepsinogen as an inactive proenzyme is an important adaptation that provides several evolutionary advantages, including protecting the stomach lining and allowing for a more versatile diet.
The production of pepsinogen as an inactive proenzyme is an adaptation that most likely provides an evolutionary advantage by protecting the stomach lining from the harsh digestive enzymes it produces. Pepsinogen is produced by the chief cells of the stomach and is converted to pepsin, an enzyme that breaks down proteins, by the acidic environment of the stomach. However, if pepsinogen were not produced as an inactive proenzyme, it would also be activated within the chief cells and damage them.
This adaptation allows for the controlled release of pepsin, only when it is needed for digestion, and prevents it from causing harm to the stomach lining. This allows for more efficient digestion and absorption of nutrients, which could have provided an advantage in the evolutionary process.
Furthermore, the production of pepsinogen as an inactive proenzyme allows for a more versatile diet, as it allows for the digestion of proteins from a wider range of sources. This would have been beneficial in environments where food sources were limited or unpredictable, allowing for a greater chance of survival and reproduction.
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what is shunting the blood so that it may be filtered known as?
Answer: Dialysis
Explanation: Dialysis involves either shunting the patient's blood through a special machine (haemodialysis) that helps remove the wastes while preserving water and salts, or removing wastes through fluid introduced into the abdomen (peritoneal dialysis).
Shunting the blood so that it may be filtered is known as Hemodialysis. It is a long answer. Hemodialysis is a process of removing waste and extra fluid from the blood.
Blood is filtered outside the body using a machine called a dialyzer, also known as an artificial kidney.The process of shunting blood for it to be filtered during hemodialysis is done through a vascular access, which is created by a minor surgery that connects an artery and vein, usually in the arm. The blood is pumped from the patient's bloodstream into the dialyzer, which filters the blood, and the filtered blood is returned to the patient's bloodstream.
Hemodialysis is used when the kidneys are unable to filter the blood on their own due to kidney failure. This may be caused by various factors, including diabetes, high blood pressure, glomerulonephritis, and other kidney diseases. Hemodialysis is usually done three times a week for three to five hours per session.
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What alleles do the F, offspring have? Explain which allele was inherited from each parent.
The F1 off springs alleles in Mendel's work are dominant alleles.
What are alleles?An allele is one of several forms that a gene may take on, whilst genes themselves represent the fundamental components responsible for passing on hereditary information and comprise DNA molecules.
Alleles occur at specific locations or loci within chromosomes and humans display diploidy- inheriting a pair of chromosomes (one from each parent)- which denotes that every person possesses two distinctive alleles per gene.
Mendel's experiments have shown that the F1 generation displayed heterozygous characteristics across all observed traits. To put it simply, these offspring inherited one dominant and one recessive allele each.
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Correct question: What alleles do the F1 offspring have? Explain which allele was inherited from each parent.
The immune response generates some side effects that can be unpleasant. what their potential benefits could be?
The ability to recognize, respond to, and remember a variety of pathogens.
4. Koalas are herbivores that eat leaves from
eucalyptus trees. Before a joey (a baby koala) can
begin to eat leaves, the baby must ingest "pap," a
paste of partially digested leaves from the mother's
intestines. Why do you think this must happen
before the joey can digest the leaves?
Answer:
sorry i dont knwo
Joey of Koalas feed on their mother's milk before they can ingest pap.
Who are Koalas?Koalas are arboreal marsupials native to Australia. They are one of the mammals who give birth to the young ones who remain in their mother's lower belly.
What is pap?It is a special substance produces by their mother that look like droppings and acts like probiotics.
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6. A person with brown hair inherited genes for brown hair from one parent and genes for red hair from the other parent. Which of these describes the red hair genes?
A. recessive
B. heterozygous
C. homozygous
D. dominant
Answer:
recessive
it has to be because brown hair is showing even though one parent had red
(PLZ HELP!!)
Describe how the Earth's atmosphere has changed over the past 4600 million years.
Answer:
Explanation:
The Earth has changed because of pollution, global warming, and ect.
Enamel is the hardest substance in the human body. Justify your answer.
Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.
Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.
Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.
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Besides for growth, what other reason would you want a new cell
to have the same exact DNA as the initial parent cell?
SELECT AN ANSWER
-You need to replace cells that are dead or
damaged.
-You want the new cell to have the
capability to live for an infinite amount of
time (avoid death).
-You want to avoid genetic mutations or
abnormalities.
-There is no other reason besides growth.
Answer:
You need to replace cells that are dead or
damaged.I think
An someone help me with this one question? If the answer is correct I will mark you as the best answer!
Answer:
I think the answer probably be the second one
attach to a host cell
nuclieotide that is substituted for thymine in an rna molecule
Explanation:
uracil.
uracil is present in RNA instead of thymine.
how is respiratory rate and heart rate related
Answer:
Breathing rate increases to provide the body (exercising muscles) with oxygen at a higher rate. Heart rate increases to deliver the oxygen (and glucose) to the respiring muscles more efficiently
According to evolutionary biologist, what must increase over geological time? Select one: a. The number and type of social interactions b. Speed of evolutionary processes such as mutation c. None of these are expected to increase with geological time d. Complexity of organisms e. Size of organisms
The correct answer is D. complexity of organisms.
According to evolutionary biologists, organisms must increase in complexity over geological time as a result of natural selection and adaptation to changing environments. This increase in complexity allows organisms to develop new structures and functions that help them survive and reproduce in their respective environments.
As a result, organisms become more specialized and diverse, leading to the emergence of new species and higher levels of biodiversity. While social interactions and the speed of evolutionary processes may change over time, they are not necessarily expected to increase with geological time.
Similarly, the size of organisms may change depending on environmental factors, but it is not a consistent trend over geological time. Therefore, the increase in complexity is considered to be the most significant and consistent trend in the evolution of life on Earth.
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According to evolutionary biologists, organisms must increase in complexity over geological time as a result of natural selection and adaptation to changing environments. The correct answer is D. complexity of organisms.
This increase in complexity allows organisms to develop new structures and functions that help them survive and reproduce in their respective environments. As a result, organisms become more specialized and diverse, leading to the emergence of new species and higher levels of biodiversity. While social interactions and the speed of evolutionary processes may change over time, they are not necessarily expected to increase with geological time.
Similarly, the size of organisms may change depending on environmental factors, but it is not a consistent trend over geological time. Therefore, the increase in complexity is considered to be the most significant and consistent trend in the evolution of life on Earth.
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for a lateromedial view of the tarsal joint of a horse, the cassette shoud be placed in which position?
On the medial surface to view of the tarsal joint of a horse.
Standard metatarsal series
Four views make up a typical metatarsal series: a plantarodorsal, lateral, and two obliques that are designed to profile the lateral and medial splint bones away from the shaft of the cannon bone. For orientation, it can be helpful to include small amounts of the tarsus above or the fetlock beneath, although combined tarsometatarsal or metatarsophalangeal exams typically result in subpar images due to geometric distortion brought on by decentering.
It is simple to distinguish between the medial and lateral aspects of the proximal metatarsus because the head of the lateral splint bone (fourth metatarsal) is almost twice as big as its medial counterpart (second metatarsal).
Another way to distinguish the lateral from the medial aspect of the metatarsus is by the partial articulation of the lateral splint with the overlaying fourth tarsal bone.
The little metatarsal bones' natural curvature, especially distally, usually causes the surrounding cannon bone to partially obscure them, mimicking a fractured splint.
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The equation below shows a process that occurs in all green plants.
carbon dioxide + water + energy → glucose + oxygen
Which statement about this process is true and supported by the equation?
Ⓐ The process does not follow the law of conservation of mass
Ⓑ The process is called cellular respiration
Ⓒ The process does follow the law of conservation of mass and energy is not in the product
Ⓓ The process follows the law of conservation of mass and energy is found in the product
Answer:D
Explanation: the number of atoms stays the same, and the energy is used to make the products.
[Flagged - Stuck between B and C, and went with C as it made the most sense overall]
Question 53 - Passage 10
Based on the information in the passage, the mutation that causes the LP phenotype is most likely located in:
A. an intron within the lactase gene.
B. the coding sequence of the lactase gene.
C. an enhancer sequence of the lactase gene.
D. the stop codon at the end of the lactase gene.
According to the passage, the mutation that causes the LP phenotype is most likely located in an enhancer sequence of the lactase gene.
The passage states that the lactase gene has an enhancer sequence that controls its expression in the intestine. The mutation that causes lactase persistence likely affects this enhancer sequence, allowing lactase to continue to be produced into adulthood. This is supported by studies mentioned in the passage that have identified variations in this enhancer sequence among different populations with varying degrees of lactase persistence. Therefore, option C is the most appropriate answer to this question.
Based on the information provided, the mutation that causes the Lactase Persistence (LP) phenotype is most likely located in an enhancer sequence of the lactase gene (option C). This is because enhancer sequences play a role in regulating gene expression, and the LP phenotype is associated with increased lactase production in adults. A mutation in an enhancer sequence could alter the regulation of the lactase gene, leading to the observed phenotype. Options A, B, and D are less likely as they involve different parts of the gene and may not have the same impact on gene regulation and expression.
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