Answer:
-Plants in hot, arid climates would have fewer stomata because they would need to prevent undesirable water loss from the plant leaves.
Explanation:
I took the test and got this right.
The necessity to minimize unwelcome water loss from the plant leaves would cause plants in hot, arid areas to have fewer stomata. So, the correct option is B.
What is Stomata?The little apertures known as stomata are found just on epidermis of leaves. Stomata are visible under a light microscope. Stomata can be found on the stems and other portions of various plants. In exchange of gases and photosynthesis, stomata are crucial.
Because they need to take in more airborne water than plants in arid areas, tropical plants would have more stomata. Since they must prevent unwelcome moisture loss from plant leaves, plants in warm, arid climates would develop fewer stomata. The necessity to minimize unwelcome water loss from the plant leaves would cause plants in hot, arid areas to have fewer stomata.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is :
How would the quantity of stomata compare between plants in tropical environments and plants in hot, arid climates? -
-Plants in tropical climates would have fewer stomata because they would need to prevent the absorption of too much water from the atmosphere. -Plants in hot, arid climates would have fewer stomata because they would need to prevent undesirable water loss from the plant leaves.-Plants in hot, arid climates would have more stomata because they would need to release heat from the leaves to prevent dehydration.-Plants in tropical climates would have more stomata because they would need to absorb more water from the air than plants in arid climates.During mitosis, chromatin condenses into chromosomes, spindle fibers form from one end of the cell to the other, and centrioles organize the spindle fibers. Which stage of mitosis happens next?
Answer:
Metaphase
Explanation:
Mitosis is the cell division that involves the production of daughter cells that are genetically identical to the parent cell. Mitosis is undergone by every living cell and it includes four main stages: Prophase Metaphase, Anaphase, and Telophase.
The description in this question showcases the Prophase stage, which is the first stage of mitosis. The Prophase stage involves the condensation of Chromatin threads into Chromosomes. The mitotic spindle, which contains the microtubules that will separate sister chromatids begins to form. The next phase involves the aligning of chromosomes at the cell's equator, which occurs in the METAPHASE stage.
Answer:
Metaphase
Explanation:
Which question would be asked in a dichotomous key?
A. How long are the insect's antennae?
B. Are the insect's antennae longer than its head?
C. Are the insect's antennae long or short?
D. How does the insect use its antennae?
Answer:
B. Are the insect’s antennae longer than its head?
Explanation:
Dichotomous key refers to the tool or method which helps the scientist to identify organisms.
It uses a specific series of questions which help in segregation of organisms and ultimately help the scientist to identify the organism on the basis of the observations or properties share by the organism.
Example of a simple dichotomous key is shown below.
Similarly, insects can have antennae longer or shorter than their heads. Thus, the question "Are the insect’s antennae longer than its head?" would help in segregating insects based on their antennae length.
happy to help ya:)
The statement B is correct. Are the insect’s antennae longer than its head?
What do you mean by dichotomous keys?A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.
Moreover, for example, in tree identification, a dichotomous key might ask whether the tree has leaves or needles. The key then directs the user down one list of questions if the tree has leaves, and a different question list if it has needles.
Therefore, dichotomous keys are useful for biological classification as well as identification. The word dichotomous is derived from the Greek words meaning “two parts.” Each step in the key provides two contrasting choices about a characteristic.
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Chlorophylls are a type of pigment, a substance that absorbs light. What color
are chlorophylls, which color of light do they absorb, and where are they located in the cell?
A. Chlorophylls are green but absorb red, violet, and blue light and are found throughout the chloroplast.
B. Chlorophylls are red, violet, and blue, but absorb green light and are found in the thylakoid membranes of the chloroplast.
C. Chlorophylls are red, violet, and blue, but absorb green light and are found throughout the chloroplast.
D. Chlorophylls are green but absorb red, violet, and blue light and are found in the thylakoid membranes of the chloroplast.
Answer:
A
Explanation:
correct answer is D, chlorophylls are green but absorb red, violet, and blue light and are found in the thylakoid membranes of the chloroplast.
Which of the following climate types is found near the equator?
A tropical climate is found near the equator.
The answer is :
Hot and humid climateFood is moved along the digestive system by muscles in the :
I) oesophagus
II) stomach
III) small intestine
A : I only
B : I and II only
C : I and III only
D : All of the above
Answer:
D. All of the above
Explanation:
The digestive system as a whole is made of muscles for moving of food further. The contraction and relaxation of the muscles enable the food to pass forward.
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Which statement about the light-independent reactions in photosynthesis is true?
Answer:
D) The Calvin Cycle
Explanation:
Calvin cycle refers to the set of chemical reactions taking place in the stroma of the chloroplast in which carbon is fixed into food (glucose). It takes place in light-independent reaction of the the photosynthesis.
Answer:
The answer to this question D.) They comprise the Calvin cycle.
Explanation:
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Answer:
4th answer down
Explanation:
Which product of cellular respi tion is used by the human body for energy?
O oxygen
Ο ΑΤΡ
O sunlight
O CO2
Answer:
The answer is option 2.
Explanation:
ATP is the main product of cellular respiration.
The force of gravity pulls all objects downwards. Which of these statements is correct about this law of science?
A. It is not supported by observations
B. It can be contradicted by data
C. It requires no further experimentations to determine its existence
D. It is a description in nature that will continue to change
Answer:
C
Explanation:
If you drop something on the ground and watch it fall, you are observing gravity at work, so A is not an option. All data proves this law exists, so B is not an option, and it will not continue to change, as it never has changed, so it is not D.
Answer:
C
Explanation:
I got the question right on the test
Jane has a beaker containing a clear solution. She adds a liquid pH indicator to the clear solution and observes that the solution changes to bright blue. The clear solution in the beaker must be a(an)
Answer: a (weak) acid
Explanation: the solutions are mostly neutral but the pH shown by the indicator as a bright blue means it is slightly acidic meaning the pH is between 6 and 7.6
As the solution turns bright blue on addition of indicator, the solution in beaker must be a weak base.
What is a base?
According to the Arrhenius concept, base is defined as a substance which yields hydroxyl ions on dissociation.These ions react with the hydrogen ions of acids to produce salt in an acid-base reaction.
Bases have a pH higher than seven as they yield hydroxyl ions on dissociation.They are soapy in touch and have a bitter taste.According to the Lowry-Bronsted concept, base is defined as a substance which accepts protons .Base react violently with acids to produce salts .Aqueous solutions of bases can be used to conduct electricity .They can also be used as indicators in acid-base titrations.
They are used in the manufacture of soaps,paper, bleaching powder.Calcium hydroxide ,a base is used to clean sulfur dioxide gas while magnesium hydroxide can be used as an antacid to cure acidity.
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Raising more sustainable fish would require choosing fish species such as____?
A. Tilapia that eat algae and plants
B. Tuna that eat other fish
C. Catfish that eat fishmeal
D. Carp that eat fertilizer
E. Trout that can be easily caught
Answer:
A tilapia that eat algae and plants
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Sickle Cell anemia is a disease caused by a recessive allele. What is the chance a child will have Sickle Cell if one
parent has it, and the other parent does not and is homozygous.
A. 75%
B. 33%
C. 0%
O
D. 100%
Why is an overabundance of nutrients harmful to a water supply?
A.
It decreases the number and types of aquatic plants.
B.
It kills all aquatic plants.
C.
It sterilizes water.
D.
It causes excessive aquatic plant growth.
Answer:
d
Explanation:
It leads to a process called as eutrophication in which the aquatic plants grow regularly over the water surface and the living beings living inside the water gets diminished because of the lack of nutrients and the various substances required for the growth.
What is water sterilization ?It is the process in which the harmful substances and contaminants are removed outside the water source such that the water can be removed out from water resources such that they can be made appropriate for drinking.
An overabundance of various nutrient primarily nitrogen along with phosphorus in water begins a process known as eutrophication. The process hammers the growth of other lives present on the sources.
Algae feed on nutrients, growing, spreading and turning out the water green. Algae blooms smells bad, blocks sunlight and even releases out chemicals in certain cases.
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If microwave radiation in the universe were visible, it would be bright and
astonishingly uniform. How does this support the Big Bang theory?
Answer:
Well, background radiation is used to determine how the universe was made, in this case, The Big Bang, if microwaves were visible, astronomers would be able to determine the age. Microwaves would be between orange-red, it might get brighter.
Explanation:
Hope this helps.
The bright and astonishingly uniform color of microwave radiation would : make background radiation visible to astronomers studying the age of the universe ( using the Big bang theory )
The Big bang theory is a cosmological model that proposes that the new universe was formed from the expansion of a Larger body having a high level of density and temperature.
The background radiation is a microwave radiation that is studied by astronomers to determine the age of the universe, therefore if microwave radiation has a bright color it will help the astronomers determine the age of the universe easily and also proving that the formation of the universe was from the Big bang.
Hence we can conclude that The bright and astonishingly uniform color of microwave radiation would : make background radiation visible to astronomers studying the age of the universe ( Big bang theory )
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What is a example of accretion?
Answer:
An example of accretion is the garage someone may bulid on his home.
Cells in the body use oxygen
for cellular respiration. Which is the result of cellular respiration?
ATP is produced, and carbon dioxide (CO2) is released.
ATP is consumed, and carbon dioxide (CO2) is released.
ATP is consumed, and carbon dioxide (CO2) is absorbed.
ATP is produced, and carbon dioxide (CO) is absorbed.
Answer:
A
Explanation:
Cellular respiration is done in the mitochondria, the powerhouse of the cell. Their job is to create ATP, and that eliminates B and C. Carbon dioxide is created as waste, then its released that is why we breathe OUT CO2
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Answer:ATP is produced, and carbon dioxide (CO2) is released.
Explanation:
2- What are the primary sources of ionizing radiation ? Give examples of each
Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
What substance influences the reaction but does not participate in the reaction
a catalyst, because it is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.
Answer:
i thinks its a catalyst
Explanation:
Select the correct answer. Neurofibromatosis, a genetic disease caused by mutation on the NF1 gene, follows an autosomal dominant pattern of inheritance. The diagram shows that the father carries two copies of the defective gene and the mother is unaffected. What percentage of offspring will have neurofibromatosis? a diagram showing a father who has the disease neurofibromatosis (alleles RR) and the mother is unaffected (alleles rr) A. 0% B. 25% C. 50% D. 100%
Answer: c 50% not sure though but its a try
Explanation:
Answer:
its D) 100%
Explanation:
I just got a 100% on the test
Two students fertilize a pair of pea plants. One plant is Rr, and the other is rr. The offspring produced by
these two plants all had the dominant trait. The Punnett square showed that there was a 50 percent
chance of the offspring carrying rr genes. So, the student assumes that he made an error in determining
W the genetic makeup of the plants. Do you think the student made an error, or is there another
explanation?
No, even though it was only a 50% chance of being Rr, it still could have been that both plants got Rr, cause as long as it's greater than a 0% chance it can happen.
I hope that helps and makes sense!
Answer:
No, even though it was only a 50% chance of being Rr, it still could have been that both plants got Rr, cause as long as it's greater than a 0% chance it can happen.
Explanation:
Why xylem and phloem are called complex tissues? How are they different from one another?
Answer:
Xylem and phloem are called complex tissues because they are made up of more than one type of cell working together as a unit. The xylem transports H2O and minerals upward from the roots to the leaves, and is composed of tracheid cells which are dead at maturity (no active nucleus, makes the tree stem hard). If plants don't have xylem, they will stay lower to the ground as it is responsible for making the tree grow upward. The ends of the xylem tubes are tapered (pointed), materials are passed along one cell at a time, and the tubes are narrow and continuous. The phloem transports sugars and proteins downward from the leaves to the stems and storage roots. The cells that make up the phloem are called sieve tubules and companion cells. The companion cells have the nucleus and the sieve tubules contain the cytoplasm.
Explanation:
My teacher helped us remember using the phrase "phloem down the river" because it sounds like 'flowing down the river' (to help remember that phloem transports downward and xylem transports upward.)
The map shows the allele frequency of sickled hemoglobin (HbS) and malaria endemicity in Africa.
Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa?
When an area is malaria free, the HbS allele frequency is between 0 and 2.02.
When an area is holoendemic, the HbS allele frequency is between 0.52 and 4.04.
When an area is malaria free, the HbS allele frequency is between 12.64 and 18.18.
When an area is holoendemic, the HbS allele frequency is between 0 and 0.51.
Answer:
(A). When an area is malaria free, the HbS allele frequency is between 0 and 2.02.
Explanation:
Answer:
A
Explanation:
What property of water allows it to move up through a plant?
A. Covalent bonding
B. Dehydration
C. Hydrogen bonding
O D. Hydrolysis
Answer:
C. Hydrogen bonding
Explanation:
It occurs when Hydrogen atome unequally share electrons
Based on the pedigree that is shown above, how to describe Fred?
Answer:
The given pedigree analysis shows sex-linked trait where the female work as a carrier and have X linked recessive gene that is [tex]X^{h}[/tex] and the male is normal.
So, Fred will be a male with [tex]X^{h}[/tex][tex]Y[/tex] gene and Fred will be affected with X linked disease which is carried by female.
If, [tex]X^{h}[/tex] gene in the female (Ann) act as a carrier of hemophilia and the male (John) is normal, then Fred will be a male affected with hemophilia (sex linked disease).
Hence, Fred will be affected male with [tex]X^{h}[/tex][tex]Y[/tex] genotype.
The highest level of cellular organization requires the cooperation of multiple.
cells or systems ?
Do humans reproduce asexually or sexually?
Most of the costs associated with using renewable resources are due to _______.
a.
overuse of resources
b.
atmospheric pollution
c.
lack of availability
d.
global warming
Please select the best answer from the choices provided
A
B
C
D
Answer:
A
Explanation:
When we overuse resources, even when the are renewable, it can cause damadge to them that can't be repaires. Like killing too many trees in a forest.
Answer:
A
Explanation:
The reabsorption of materials into the capillaries surrounding the tubules of nephrons is an example of what?
Answer:
Homeostatic mechanism
Explanation:
This is an example of homeostatis mechanism. There are many mechanisms in our body that try to keep our body in a steady state as not to disturb the critical processes that occur every second in our body thus these mechanisms are crucial for our everyday survival.
Answer:
yiviv
Explanation:
f8ufug7fyfucugi
n this lab, you will simulate birds with three different beaks. After watching the birds feed, you will remove fruit to simulate a change in the environment. What question are you answering by doing this observation? Write it by filling in the blanks below.
What is the effect of…
…on…
Answer:
BOX 1: The independent variable is the type of food available.
BOX 2: The dependent variable is the frequency of each type of beak (or number of birds with each beak type).
Explanation:
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