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lesya [120]
3 years ago
11

Choose the words to complete the paragraph below. are ecosystems that are similar, such as the desert. , the number of species w

ithin an ecosystem, is a sign of its health. Interesting ecosystem facts include: support aquatic life and are located between land and water systems. The tundra is covered by , which is a frozen layer of soil below the surface of the earth. A place where salt water and fresh water meet is called a(n)
Biology
2 answers:
BARSIC [14]3 years ago
7 0

Answer:

Biome

biodiversity

wetlands

permafrost

estuary

Explanation:

The plants and animals that have characteristics common to each other to live in a particular environment are termed as a bio-me.

The various forms of plants and animals living in a particular habitat is termed as biodiversity.

The land which is covered by water which is either salty or fresh is termed as a wetland.

The soil or rock which has been frozen for many years are termed as permafrost.

A water body in which more than one river flow and then flow to the sea is termed as an estuary.

Artemon [7]3 years ago
3 0

Biomes, biodiversity, wetlands, permafrost, and estuary

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Describe homeostasis?
Ann [662]

Answer:

Homeostasis is the process of maintaining a constant internal environment of the body with the help of certain mechanisms such as feedback loops.

Explanation:

Homeostasis refers to the maintenance of a relatively constant internal environment of the body. It includes maintaining several parameters such as acid-base balance, blood glucose level, body' temperature, etc. within the narrow range.

Homeostasis is mainly maintained with the help of negative feedback loops wherein the deviation of any parameter from the normal physiological range is counteracted and restored.

For example, the blood glucose level remains within the range of 70 and 110 milligrams of glucose per 100 milliliters of blood under normal physiological conditions. Any deviation from the range is restored with the help of pancreatic hormones insulin and glucagon.

6 0
3 years ago
quizlet chromosomes are composed of: please choose the correct answer from the following choices, and then select the submit ans
Anna11 [10]

Chromosomes are composed of deoxyribonucleic acid (DNA) mole

There are mainly two molecules that function as genetic material in living organisms.

These are ribonucleic acid(RNA) and deoxyribonucleic acid(DNA).

The organisms having DNA as genetic material require packaging of DNA as it is a long polymer of deoxyribonucleotides.

In the case of human beings, the length of DNA in a cell is approximately 2.2 meters which is very large as compared to the size of the nucleus( approximately 10^-6 meters).

So, the DNA has to be made compact for it to be present inside the nucleus of a cell.

Therefore, the DNA present inside the nucleus of a cell undergoes coiling and compaction through several stages before finally becoming a chromosome, which is shown in the adjoining diagram.

Thus, chromosomes are composed of deoxyribonucleic acid (DNA) molecules.

To know more about "DNA Packaging", refer to the following link:

brainly.com/question/14702559?referrer=searchResults

#SPJ4

4 0
2 years ago
What is a possible effect of long-term environmental changes?
Bess [88]

Answer:

All answers are correct.

Explanation:

Long term environmental changes can cause adaptation, migration, habitat loss, and starvation.

5 0
3 years ago
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If you were stranded on the ocean in a raft, what would happen if you kept drinking ocean water?
pav-90 [236]
Maybe it's the concentration of water in your blood would increase (c)
6 0
3 years ago
"One of the two major systems that are affected by the stress response is the ____________, which results in increased productio
MAXImum [283]

Answer:

The correct answer is the endocrine system.

Explanation:

The sympathetic division of the autonomic nervous system and the endocrine system are the two prime systems that take part in the stress response.  

At the time of acute or chronic stress, the endocrine system first makes the hypothalamus to discharge CRH or corticotropin-releasing hormone into the bloodstream. The release of CRH further makes the anterior pituitary to discharge ACTH or adrenocorticotropic hormone into the blood. This further stimulates the adrenal cortex to discharge cortisol, that is, one of the glucocorticoid hormone into the bloodstream.  

The cortisol finally makes the organs and tissues present within the body to effectively cope up with the initial stress stimulus.  

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3 years ago
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