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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to separate hucks and grains in field
a) tailor
b) grocer
c) farmer
d) watchman
Answer:
C
Explanation:
Comment its correct or not correct please
Food chains end with a species that…
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
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 p² indicates the genotypic frequency with type A (AA) blood and q² indicates genotypic frequency of BB and r² 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%)
r² = 0.5² = 0.25 = 25%.
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Describe the function of Chloropasts
Answer:
Chloroplasts are found in plant cells, they make up the green pigment ( chlorophyll ) which manufactures food for the plant during photosynthesis process.
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
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 ^_^
The prime mover of the elbow extension is the
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
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
half of their chromosomes from each parent
Explanation: you get half of your chromosomes from each of your parents
Which term best describes the plasma membrane?
Which term best describes the plasma membrane?
Static
Dynamic
Impermeable
Rigid
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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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
Answer:
It stores glucose that is taken from food so that respiration can happen later.
what is the meaning of localisation ?
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.
... XxMissFlirtyxX...provide one term:when businesses produce goods and services that consumers do not want
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
Answer:
study the evolution of life
What is the answer to this
Answer:
in which class you are please tell
Glycolysis takes place in _________________.
The cytoplasm
The mitochondrial intermembrane space
The mitochondrial matrix
The endoplasmic reticulum
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.
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:
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
what is the role of the shrimp with respect to phytoplankton in this food chain
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 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
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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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
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:
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?
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.
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
Answer:
yesterday was a temporary password is goes by
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.
having one large cell simply means that you can't move your limbs, so I say D
Mitochondria and chloroplasts have a number of features in common. Which of the following is NOT one of them?
Answer:
give options.............
which of the following would encourage biodiversity in the myakka river basin
Answer: aquatic plants
Explanation:
describe nutrition in insect
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:
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
Answer:
B)
Explanation:
CirculaTory system transports oxygen to the cells.
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.
They are the LONGEST DIVISIONS
of time.
Pictured below is proof that the answer is right, good luck on the final exam!
Drinking wells must be drilled deeply into the ____ to obtain water? A. Zone of Aeration b . Zone of Saturation. C. Water table
Answer:
C
Explanation:
As máquinas tem como fonte de calor?
A)Um comburente
B)O gás carbônico
C)Uma Bateria
D)Um combustível.
Answer:
Hola, tu respuesta es B. Gas Carbonico
Explanation:
NEEDED NOW ASAP HURRY PLEASE
Answer:
D
Explanation:
because the populations have become different, they can no longer breed making it harder from them to grow.
Nuclear power plants produce large amounts of
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!! :))
