You observe every fall that the trees in the forest lose their leaves, but by the following fall, the leaves have disappeared. The most accurate explanation for this observation would be:

Answers

Answer 1
The tree produces a layer called abscission layer, in which nutrients and water are prevented from reaching the tree which stops the leaves from growing
Answer 2

The tree creates a layer known as the abscission layer, which prevents nutrients and water from reaching the tree and inhibits the growth of the leaves. Hormones in the trees cause the process of abscission.

What is abscission layer?

Tiny tubules in the abscission layer are responsible for carrying carbohydrates back into the tree and delivering water to the leaf, flower, or fruit.

The amount of nutrients and water that pass through the tubes is decreased in the autumn because cells in the abscission start to expand and exude a waxy substance.

Abscission of leaves, which takes place in the fall, is the natural loss of an old leaf at the base of the petiole. Many physical and biochemical changes occur during leaf abscission, most of which are controlled by plant hormones.

Therefore, every fall that the trees in the forest lose their leaves.

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Related Questions

Drinking wells must be drilled deeply into the ____ to obtain water? A. Zone of Aeration b . Zone of Saturation. C. Water table

Answers

Answer:

C

Explanation:

The answer would be C

What is the answer to this

Answers

Answer:

in which class you are please tell

3 shows active transport

Which term best describes the plasma membrane?


Which term best describes the plasma membrane?

Static
Dynamic
Impermeable
Rigid

Answers

Answer:

The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. ... The plasma membrane consists of a lipid bilayer that is semipermeable. The plasma membrane regulates the transport of materials entering and exiting the cell.

Dynamic term describes the plasma membrane. So, the correct option is (B).

What is Plasma membrane?

Plasma membrane also known as cell membrane is a membrane found in all cells that separates the interior of the cell from the external environment. The plasma membrane consists of a lipid bilayer that is semi-permeable that regulates the transport of materials entering and exiting the cell.

This membrane is called a selectively permeable membrane because it controls the movement of substances in and out of the cell, which means that the plasma membrane allows certain materials to pass through it, while at the same time it prevents other materials from entering through it. Plasma membrane is dynamic in nature.

Thus, Dynamic term describes the plasma membrane. So, the correct option is (B).

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provide one term:when businesses produce goods and services that consumers do not want​

Answers

Answer:

Their will be low demand for the goods

Explanation:

Because goods like cigarettes are not much consumed by people

The purpose of using the binomial scientific names is to

Give each organism a unique name
Give each species a unique name
Study how the environment affects different organisms
Study the evolution of life
Protect endangered species

Answers

Answer:

study the evolution of life

what is the role of the shrimp with respect to phytoplankton in this food chain

Answers

Explanation:

The answer is B. that is "Prey"...

The correct answer is option (b) Prey.

What is shrimp?

A small free-swimming crustacean with an elongated body, typically marine and frequently harvested for food.

What is phytoplankton?

Plankton consisting of microscopic plants is called phytoplankton.

Why other options are incorrect?

Option (a), (c), (d) is incorrect because, prey means the phytoplankton is the food of shrimp.

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Which is one reason for the formation of global winds? (1 point)
-uneven heating of Earth's surface
-fewer daylight hours in Arctic regions
-loss of energy as warm air rises
-condensing of moisture in cooling air

Answers

One reason for the formation of global winds is the uneven heating of the Earth's surface.

The uneven heating of the Earth's surface is primarily caused by variations in solar radiation received at different latitudes.

The equator receives more direct sunlight when the sun's rays strike the Earth's surface, they heat the air in contact with it. n the poles, resulting in a temperature gradient across the planet. This temperature gradient drives the formation of global winds.

Fewer daylight hours in Arctic regions: This option is incorrect. The number of daylight hours in a region does not directly contribute to the formation of global winds. While sunlight does play a role in heating the Earth's surface and driving atmospheric circulation, the length of daylight hours is not a determining factor.

Loss of energy as warm air rises: This option is valid. As warm air rises due to heating from the Earth's surface, it expands and cools. This cooling causes the air to lose energy, and as a result, it becomes denser and sinks back toward the surface. This sinking motion creates regions of high pressure, which contribute to the formation of global winds.

Condensing of moisture in cooling air: This option is incorrect. The condensation of moisture in cooling air relates to the formation of clouds and precipitation, but it does not directly influence the formation of global winds.

Therefore, the uneven heating of the Earth's surface, due to variations in solar radiation, is a significant reason for the formation of global winds.


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Answer: A) uneven heating of Earth's surface

Hope it helps ^_^

Describe the function of Chloropasts

Answers

Answer:

Chloroplasts are found in plant cells, they make up the green pigment ( chlorophyll ) which manufactures food for the plant during photosynthesis process.

Food chains end with a species that…

Answers

Your answer d is correct it makes the most sense and is the valid choice

NEEDED NOW ASAP HURRY PLEASE

Answers

Answer:

D

Explanation:

because the populations have become different, they can no longer breed making it harder from them to grow.

What is one advantage of having many small cells instead of one large cell?
A. Small cells do not have cell membranes.
B. With many small cells, you have more surface area.
C. With many small cells, you produce less protein.
O D. Small cells do not require a stable internal environment.

Answers

having one large cell simply means that you can't move your limbs, so I say D

to separate hucks and grains in field
a) tailor
b) grocer
c) farmer
d) watchman​

Answers

Answer:

C

Explanation:

Comment its correct or not correct please

In a particular population, the allele frequency of the ABO blood type alleles are as follows: IA is 20%, IB is 30% and i is 50%. If mating is random and the population is in Hardy-Weinberg equilibrium, what percentage of the population will have type O blood type

Answers

Answer:

The genotypic frequency F(ii) = 0.25 = 25%

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

In the blood type cases involving the ABO group, the type of inheritance here is the co-dominance type of inheritance

The percentage of the population with type O blood will be 25%

Type A (IA) is dominant to type O (i) and at the same time type B (IB) is also dominant to type O (i).Using the equation - p² + 2pq + q² + 2pr + r² + 2qr = 1Where indicates the genotypic frequency with type A (AA) blood and indicates genotypic frequency of BB and indicates the genotypic frequency of OO.

Since we are finding the percentage with type O blood (r²) where r (allelic frequency of type O) is 0.5 (50%)

= 0.5² = 0.25 = 25%.

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Which of the following are characteristics of Ascomycota? Check all that apply.

flagellated spores

spores produced in the ascus

lack reproduction phase

important in the food industry

important in the digestion of animals

can cause disease in plants

can cause disease in animals

Answers

2. spores produced in the ascus

4. important in the food industry

6. can cause disease in plants

Explanation:

hope this helps :)

Ascomycota is the phylum of fungi which produce spores in the ascus, important in the food industry, and can cause disease in plants. Thus, the correct options are 2, 4, and 6

What are ascomycetes?

Ascomycota is a phylum of the kingdom fungi that, together with the Basidiomycota phylum of the fungi. The members of ascomycota are commonly known as the sac fungi or ascomycetes. Ascomycota is the largest phylum of Fungi, with over 64,000 species.

Ascomycetes are commonly known as sac-fungi as they are produced in a sac-like structure called as ascus. Inside this ascus, non-motile microscopic sexual spores are formed which is a defining feature of this kingdom fungi.

Therefore, the correct options are 2, 4, and 6.

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Glycolysis takes place in _________________.

The cytoplasm
The mitochondrial intermembrane space
The mitochondrial matrix
The endoplasmic reticulum

Answers

Answer:

It occurs in the cytoplasm. Glycolysis also involves two stages which break up glucose. In the 1st stage, Glucose is broken into two phosphorylated 3-carbon compounds through a series of reactions.

Which of these is a feature of eons in the geologic time scale? (1 point)
-They are divided into periods.
-They are divided into 100-million-year divisions.
-They are the longest divisions of time.
-They are the shortest divisions of time.

Answers

D. They are in the shortest divisions of time

They are the LONGEST DIVISIONS

of time.

Pictured below is proof that the answer is right, good luck on the final exam!

Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater?
A. a caliper and a flask
B. a stopwatch and a beaker
C. a balance and a beaker
D. a meter stick and a temperature probe

Answers

Answer:  C. a balance and a beaker

Explanation:

A balance would be used to measure the weight, which in turn effectively measures the mass (more or less). Imagine that we have a brick that we know is 1 pound. If we have an object that needs 5 bricks on one side to balance it out, then we know the object is 5 pounds.

The beaker is used to measure the volume. It's basically a measuring cup that you would find in the kitchen.

To get the density, you divide the mass over volume.

For example, if you have a material that has a mass of 100 grams and it's volume is 20 cm^3, then its density is 100/20 = 5 grams per cm^3.

Answer:

C! Correct on Edge, and got 100% on this test!

Explanation:

Which of these is not a function of the cardiovascular system?
A)controlling many body processes with nerve cells
B)transporting oxygen to cells
C)carrying carbon dioxide to be d)excreted (transferred out)
carrying glucose and other needed materials to cells in your body

Answers

Answer:

B)

Explanation:

CirculaTory system transports oxygen to the cells.

Mitochondria and chloroplasts have a number of features in common. Which of the following is NOT one of them?

Answers

Answer:

give options.............

which of the following would encourage biodiversity in the myakka river basin

Answers

Answer: aquatic plants

Explanation:

Nuclear power plants produce large amounts of

Answers

Answer:

Nuclear reactors are, fundamentally, large kettles, which are used to heat water to produce enormous amounts of low-carbon electricity. They come in different sizes and shapes, and can be powered by a variety of different fuels.

Explanation:

Hope this helps!! :))

Which statement describes the role of a mitochondrion in providing a body with energy?

It stores glucose that is taken from food so that respiration can happen later.
It combines blood and oxygen so that energy can be released from glucose.
It is the site where oxygen combines with small molecules and releases large amounts of energy.
It is the site where food is broken down into small molecules and amounts of energy

Answers

Answer:

It stores glucose that is taken from food so that respiration can happen later.

The prime mover of the elbow extension is the

Answers

Answer:

triceps brachii muscle

The prime mover of elbow extension is the triceps brachii muscle, and is assisted by the much smaller anconeus muscle. All anterior (front) arm muscles cause elbow flexion. These muscles are the biceps brachii, brachialis and brachioradialis.

Explanation:

thank me later

Answer:

the other person is correct

Q6. In mice, the allele for black hair color is (B) dominant to that for brown (b), the allele for
short hair (H) is dominant to that for long hair (h). The gene for hair color and length are not
linked (i.e. they are on separate chromosomes).
One colony (colony A) of mice was pure breeding for short hair; a second colony (colony B) was
pure breeding for long brown hair.

a. A male from colony A was mated with a female in colony B.
i.
Give the genotype of the male from colony A and the genotype of female in
colony B. (2mks)
ii.
These two mice were crossed and produce a large number of offspring (F1).
Construct punnet squares to show this result (3mks)
iii.
Give the genotypes and phenotypes (ratio) of this F1 generation (2mks)
Genotypes:
Phenotypes:

Answers

Answer:

The correct answer is -

A (i) a male from colony A HH and female from colony B bbhh

(ii) the offspring will be heterozygous for short brown hair

(iii) genotype 100%  Hhb, phenotype - 100% short brown hair

Explanation:

It is given that parent one is from Colony A that is pure breeding for short hair which means p1 is HH and parent 2 is from colony B that is pure breeding for long brown hair that means p2 is bbhh.

Cross between HH and bbhh

Gemetes : H, H, and bh, bh,

Punnet:

       bh     bh

H    Hhb    Hhb

H    HhB    Hhb

Thus, the offspring will be heterozygous for short brown hair


1. The diagram to the right represents events that occur during sexual
reproduction. The stages labeled A, B, and Care necessary to ensure that
the offspring will inherit
1. half of their chromosomes from each parent
2. double the amount of chromosomes from each parent
3. pairs of chromosomes from each parent
4. double the amount of chromosomes from one parent

Answers

half of their chromosomes from each parent

Explanation: you get half of your chromosomes from each of your parents

describe nutrition in insect​

Answers

Answer:

Lots of insects eat plants, some insects eat other insects, and some even drink blood. Many insects eat nectar from plants. And some insects will eat whatever scraps of food you leave lying around. A few insects, such as mayflies and some moths, never eat.

Explanation:

the volume of a human brain is normally about 1200cm3. the osmolarity of solutes in the cerebrospinal fluid surrounding the brain is normally about 300mM. how does the volume of the brain change when the cerebrospinal fluid osmolarity drops to 280mM

Answers

Answer:

yesterday was a temporary password is goes by

Select the correct answer. Oll-rich countries in the Middle East cover about 4% of Earth's total land area but possess about 48% of the world's known oil reserves. What is the main reason for the high concentration of reserves in this part of the world?​

Answers

Answer: The main reason for the high concentration of reserves in this part of the world which is the middle east that covers bout 4% of earth's total land area but possess about 48% of the world's known oil reserves is due to GEOLOGICAL PROCESSES. Hope this answer helps.

what is the meaning of localisation ?​

Answers

The meaning of localisation is the process of making something local in character or restricting it to a particular place.

Localization is the adaptation of a particular product or service to one of those markets.

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As máquinas tem como fonte de calor?
A)Um comburente
B)O gás carbônico
C)Uma Bateria
D)Um combustível.

Answers

Answer:

Hola,  tu respuesta es B. Gas Carbonico

Explanation:

I believe it B. I did the test
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Surface area hw help pls if humans began hunting and driving the great barracuda to extinction how would this affect the ecosystem (answer should discuss biodiversity, food webs, and food chains) does the great pyramid of giza fit the golden ratio? why or why not? Kent Fuller is in the 34 percent tax bracket. A nontaxable employee benefit with a value of $2,300 would have a tax-equivalent value of:____.a. $345.b. $1,523.c. $1,948.d. $1,155.e. 1,500. I would really appreciate if someone could answer this:) Simplify the fraction to lowest terms.56/182 Which of the following could occur as the result of runoff of high nitrogen fertilizers from farmlands near a lake?O an increase in algae growth resulting in low oxygen levels in the lakeO a decrease in mineral storage reducing carbon levels of the lakeO a decrease in pollution in lower ozone levels in the lake areaO an increase in deforestation reducing animal populations in the lake area Plyometrics can help a person maintain cardiorespiratory fitness true or false Face to face communication is better than other types of communication, such as letters, emails, or telephone calls. What is your opinion?write one opinion paragraph In an online shopping application, the primary case type PurchaseOrder has two child case types: Payment and Packaging. In processing PurchaseOrder case PO-11, Payment case Pay-37 and Packaging case Pac-56 are created. Which statement about the processing of PO-11, Pay-37, and Pac-56 is correct?A. PO-11 has to be resolved before either Pay-37 and Pac-56 is resolved.B. Pac-56 has to be resolved before Pay-37 is resolved.C. Both Pay-37 and Pac-56 have to be resolved before PO-11 can be resolved.D. PO-11 can be resolved when either Pay-37 or Pac-56 is resolved. In what ways did family relationships affect enslaved people? (You can think of ways therelationships were helpful and also ways the relationships were exploited by enslavers.) how accurate as indicators of electoral success are informal requirements based on political party, electoral experience, race, gender, religion, education, and wealth? a relative density bottle has a mass of 29.2 g when empty its mass is 116.2 g when it is full of liquid or diesel and when full of water it's mass is 129.2 g calculate the relative density of diesel hey dale plzzzz helppp I neeed the answer plssss A sports magazine prints 12 issues per year, and a technology magazine prints 10 issues per year. The total number of pages in all the issues of the sports magazine for one year is 32 more than the total number of pages in all the issues of the technology magazine for one year. Each issue of the sports magazine has 18 fewer pages than each issue of the technology magazine. Which system of equations can be used to find s, the number of pages in each issue of the sports magazine, and t, the number of pages in each issue of the technology magazine?A. t = s - 1810t = 12s + 32B. s = t - 1812s = 10t + 32C. s = t - 1810s = 12t + 32D. t = s - 1812t = 10s + 32 PLEASE HELP ITS TIMED LITTERALY IM BEGGING :(( 32 points WITH BRAINLIEST!! Please help Ill give brainliest Megan is shopping at a store that sells jewelry, scarves, and purses. The cost of all of the items at the store includes tax. Megan buys 3 bracelets and 3 necklaces. Each bracelet costs $5. Megan pays the clerk $40 and gets $4 change. What is the cost, in dollars, of one necklace? I would appreciate if someone could answer this