can someone explain the answer plz​

Can Someone Explain The Answer Plz

Answers

Answer 1

Answer:

your ans is option A.

Explanation:

here stem cells are diploid (2n)

and pollen grains are male gametes so they are haploid (n) so thats why the correct and is 21

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Related Questions

As chondroblasts mature and become embedded within the matrix, what do they become?.

Answers

Answer:

As chondroblasts secrete matrix, some cells become surrounded by matrix (no longer at boundary). Chondroblasts that become embedded within cartilage differentiate into chondrocytes.

Explanation: i believe this is the answer

Toxins are dumped into a lake. Which of the following is not a likely consequence?

a.)Plankton in the lake absorb the toxin.
b.)The toxin will remain contained in that lake.
c.)A baby bird living in a nest 2 miles from the lake shows high levels of the toxin in its system.
d.)Large fish in the lake register moderate levels of the toxin.

Answers

Answer:

B-The toxin will remain contained in that lake

Explanation:

Answer:

The toxin will remain contained in that lake.

Explanation:

odyssey-ware 2022

What is a apple?
A.Fruit
B.Veggie
C.Food
D.Meal

Answers

Answer:

A. Fruit

Explanation:

An apple is a Fruit because it includes seeds.

What is the difference between the sympathetic and parasympathetic division of the nervous system?.

Answers

Answer:

The sympathetic nervous system is involved in preparing the body for stress related activities; the parasympathetic nervous system is associated with returning the body to routine, day-to-day operations. The two systems have complementary functions, operating in tandem to maintain the body's homeostasis.

Schistosoma mansoni belongs to which of the following groups a. protozoan b. cestodes c. apicomplexa d. trematodes e. nematodes

Answers

Answer:

E. Nematodes

Explanation:

Explanation:

Jane has Type AB blood and Sam has Type B blood. They have a daughter whose blood is Type A. Which of the following is Sam's blood genotype?

AB
AO
AA
BO
BB
OO

Answers

Answer:

Sam's genotype would be BO/BO

Explanation: Both of these would be exmapls of Sam's blood genotype.

hope this helps!

what cause an ironic bond

Answers

Ionic??
Two non metals wanting a full outer shell

Biomes are distinct biological communities that have formed in response to a shared physical climate. Biomes are classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment. Plants and animals in each of the biomes have adaptations that help them survive in the different environments. Which of these pairs a biome with characteristics of the plant or animal life you'd expect to find there? Choose ALL that apply.
A)taiga: evergreen trees
B)desert: nocturnal animals
C)rainforest: plants with shallow rootsEliminate
D)deciduous forest: hibernating animals
E)savanna: animals with thick coats of fur and fat for insulation

Answers

Answer:

A) Taiga: evergreens

B) Desert: Nocturnal Animals

D) Deciduous forest: hibernating animals

Explanation:

i did it in usatestprep

how dose food chain start

Answers

Answer:

The food chain starts with the sun

Explanation: because it provides energy for everything on the planet

The food chain starts with the sun

Which is NOT a goal of ecological succession? equilibrium reduction of diversity diverse, mature species.

Answers

Equilibrium reduction of diversity is not a goal of ecological succession.

What is ecological succession?

Ecological succession is a process that gradually and continuously replaces one community with another community over a period of time.

Ecological succession is necessary for the growth and development of an ecosystem. The main goal of ecological succession is to initiate the process of colonization and recolonization takes place where a particular location is destructed by any means of biotic and abiotic factors.

Therefore, the equilibrium reduction of diversity is not a major goal of ecological succession.

To understand more about ecological succession, refer to the following link-

https://brainly.com/question/13279509

In which ways is RNA different from DNA? Select all of the properties that apply to RNA, but not DNA. A. Generally single-stranded B. Contains thymine C. Contains uracil D. Contains the sugar ribose E. Contains the sugar deoxyribose.

Answers

Answer:

A C and D

Explanation:

I got it correct on the quiz

Proteins that assist in the movement of substances across membranes can be classified into two types based on how they move solutes across a membrane:

Answers

Proteins that assist in the movement of substances across  can be classified into two types which are:

Carrier proteinsChannel proteins

What are Proteins?

These are biological molecule which consists of amino acid sequences and are involved in metabolic activities in the body. Channel proteins transport molecules through passive diffusion while carrier protein transport substances through facilitated diffusion.

They are also found in cells and help in the selective movement of molecules in and out of the cell.

Read more about Protein here https://brainly.com/question/10058019

You were looking at an organism that was microscopic, but
too small to be magnified with a compound microscope. You
also need the image to be of the outside surface of the
organism. Of the microscopes below, which option is the
best fit for the criteria you need to meet?
Select one:
O a Scanning electron microscope
Ob. Dissection microscope
Oc Compound light microscope
Od Transmission electron microscope

Answers

Answer:

Scanning electron microscope.

Explanation:

We can answer this question by process of elimination.

A dissection and compound light microscope have too small magnification for this question. Transmission electron microscopes allow the electrons to pass through the subject, visualizing the inside, while scanning electron microscopes capture the exterior (or as the problem worded it, the surface). Therefore, scanning electron is the right answer.

What are the process the enzyme in the digestive system?

Answers

Answer:

Enzymes break down the food that you eat. They break down the fats, carbohydrates, and protein in the food we eat.

Explanation:

I hope this helped a bit! Stay safe!

Answer:

Amylase breaks down starches and carbohydrates into sugar. Mainly it break

down the fats, carbohydrates and proteins we

eat.

where can you find the largest reservoir of freshwater?

Answers

Answer: Glaciers

     Glaciers are, put simply, huge chunks of frozen water. They contain the second largest reservoir of water and are the largest reservoir for freshwater. This means that "glaciers" should be the answer to your question.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

explain how weather conditions in Florida influence human behavior (100 points!!)

Answers

Answer:

hydrologic conditions in Florida have influenced

Explanation:

various atmospheric, oceanic, and hydrologic conditions in Florida have influenced and can influence human behavior

In the body, the homeostasis of which element is related to properties of bone? cesium carbon calcium copper.

Answers

Answer:

Calcium

Explanation:

it helps to make the bones strong by maintaining the bone mass necessary for them to function well.

Answer:

calcium

Explanation:

1. What is meant by adaptive evolution?

Answers

Explanation:

changes in an organism that make it suitable to its habitat

Which is NOT considered an invasive species? A. rabbits in Australia B. feral pigs in the United States C. zebra mussels in the United States D. wolves in the United States​

Answers

Answer:

I would say A, rabbits in Australia.

Explanation:

Hope this helps! :)

Answer: I say

Explanation:

if it's right your

When we use renewable resources with care, ensuring that they are not depleted for future generations, we are following a practice called.

Answers

Answer:

the practice of sustainability.

Explanation:

sustainability is the practice of using natural resources responsibly, also meaning to be maintained at a certain rate or level.

Which was not a NEW method of population control of rabbits?.

Answers

Answer:

Mosquitoes and fleas carrying the Myxoma virus

Explanation:

The chart shows the percentage of different elements in
the human body.
Which element is the most prevalent in the human body?
Elements in the Human Body
nitrogen
O hydrogen
O carbon
O oxygen
Nitrogen
2.6%
Other
3.4%
Hydrogen
10%
Carbon
23%
Oxygen
61%

Answers

Answer:

oxygen

Explanation:

The most abundant elements by mass in the body of a healthy human adult are Oxygen (61.4%)

toppr

how the amount of oxygen in the water affected by the light intensity?
please help me ​

Answers

As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity.

Hope this help

The image below illustrates a specific organ in a plant found below ground:



This organ provides more than one function to the plant. Which of the following is a function of this organ illustrated in the picture?

Question 6 options:

Anchors the plant in the soil


Absorbs oxygen from the soil


Transports carbon dioxide to the soil


Releases water into the soil

Answers

Roots represent a plant organ that anchors the plant in the soil. It is a fundamental part of the plant.

What are plant organs?

The plant organs are specialized groups of tissues that work together to perform specific functions.

The main plant organs include shoot, roots, and leaves, each one having specific functions.

The roots are responsible to anchor the plant to the soil in order to obtain fundamental nutrients from it.

Learn more about plant organs here:

https://brainly.com/question/3403854

Answer: A is the answer

Explanation: i took the quiz

What emerges from the seed and pushes into the soil?.

Answers

Answer:

The radicle emerges from the seed during the process of germination. The radicle is the embryonic root of the plant, and grows downward in the soil.

Hope this helps <3

WILL MARK BRAINLIEST AND GIVE 25 POINTS Explain how you linked the predator and its prey to a specific environment.

Answers

Answer:

The mouse and shrew bones were common to all three owls so they were not useful in identifying environments. The gopher bones were unique to the great grey owl of Alaska. Gophers are rodents that are successful in areas with soft soil and lots of grass, so the gopher and this owl would be found in the meadows and evergreen forests of Alaska. The bat was unique to the barking owl of Australia. The bat would be found in woodland habitats where there are many trees the bat can hang from. The gull bones were unique to the short-eared owl of Cuba. Gulls are wetland birds, so the gull and this owl would be found in marshes and coastal areas.  

Answer:)

Sample response: The mouse and shrew bones were common to all three owls so they were not useful in identifying environments. The gopher bones were unique to the great grey owl of Alaska. Gophers are rodents that are successful in areas with soft soil and lots of grass, so the gopher and this owl would be found in the meadows and evergreen forests of Alaska. The bat was unique to the barking owl of Australia. The bat would be found in woodland habitats where there are many trees the bat can hang from. The gull bones were unique to the short-eared owl of Cuba. Gulls are wetland birds, so the gull and this owl would be found in marshes and coastal areas.  

Explanation:) have a great day hope this helps

brainliest would be very very appreciated.

For which of these vehicles is the percentage reduction in the amount of hydrocarbon emission the most?

Answers

The car whose production of carbon dioxide is least will have the most percentage reduction in the amount of hydrocarbon emission.

What is a hydrocarbon?

A hydrocarbon is a compound which is composed of hydrogen and carbon only.

Hydrocarbons are important as they are commonly used as fuels for many vehicles.

The products of the combustion of hydrocarbons are carbondiodioxide, water and heat.

Because of the effect of carbon dioxide as a greenhouse gas, many vehicles are switching to fuels with less hydrocarbon emissions.

Therefore, a car whose production of carbon dioxide is least will have the most percentage reduction in the amount of hydrocarbon emission.

Learn more about hydrocarbons at: https://brainly.com/question/3551546

The body links amino acids with peptide bonds in order to form:.

Answers

Answer:

A DIPEPTIDE is formed when two amino acids combine and a TRIPEPTIDE is formed when three amino acids combine. A polypeptide is a long chain of amino acids linked by peptide bonds.

In the Cheseapeake Bay ecosystem, beds of eelgrass provide food and shelter to growing blue crabs. As blue crabs mature, they feed on fish and are fed on by larger animals like egrets. As organisms die, decomposers like bacteria in the sand of eelgrass beds help break down organic material.

Which of the following correctly matches a biotic factor in this ecosystem to the role it plays in cycling matter?
A.
Decomposers release carbon dioxide that eelgrass use for photosynthesis.
B.
Blue crabs convert carbon dioxide to organic sugars through respiration.
C.
Fish and other animals convert nitrogen to a form that can be used by plants.
D.
Sand contains nutrients like nitrogen that it transmits to eelgrass.

Answers

Answer: Decomposers release carbon dioxide that eelgrass use for photosynthesis.

Explanation: Hi, If this is for study island then this is the right answer.

Decomposers release carbon dioxide that eel grass use for photosynthesis a biotic factor in this ecosystem to the role it plays in cycling matter. Thus, option (a) is correct.

What is photosynthesis?

Photosynthesis is the process through which a plant takes in water, carbon dioxide, and sunshine. Light energy, minerals converting to oxygen, and organic substances high in energy are what make plants grow.

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Photosynthesis requires the reaction of 12 grams of sugar and oxygen to produce 12 grams of both carbon dioxide and water. Decomposers play an important part in the transfer of energy through an environment.

As a result, the decomposers emit CO2, which eel grass uses for photosynthesis. Therefore, option (a) is correct.

Learn more about on photosynthesis, here:

https://brainly.com/question/29764662

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What is Phobia ?
Name one Phobia​

Answers

A phobia is an intense fear of something that, in reality, poses little or no actual danger. Common phobias and fears include closed-in places, heights, highway driving, flying insects, snakes, and needles. However, you can develop phobias of virtually anything.

OR

A Phobia is an irrational fear of something that's unlikely to cause harm. The word itself comes from the Greek word“phobos,” which means “fear” or “horror.” Hydrophobia, for example, literally translates to fear of water. When someone has a phobia, they experience intense fear of a certain object or situation.

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