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FromTheMoon [43]
3 years ago
12

Are mutations always harmful? What is an example of when a mutation is harmful in one population of a

Biology
1 answer:
k0ka [10]3 years ago
6 0

Answer:

one exaple is that it is harmful because it hurts u and others

Explanation:

your welcome

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B. is a protective structure made of cellulose fibrils

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3 years ago
How do trees act as carbon sinks?
Romashka [77]


The best answer is D.

A carbon sink is anything that absorbs more carbon than it produces or releases.

The main carbon sinks found in nature are plants, the ocean and soil.  Plants such as trees capture carbon dioxide from the atmosphere and use it in photosynthesis. Part of this carbon is transferred to soil as the trees and other plants die and decompose.

Due to the effectiveness of trees and other plants as carbon sinks,  the Kyoto protocol proposed that emission reduction can be achieved through absorption of carbon dioxide by these plants. 



5 0
3 years ago
Read 2 more answers
2 A certain species of snake in an ecosystem consumes frogs, salamanders, and small rodents.
Readme [11.4K]

Answer:

C

Explanation:

I hoped it help u out. Ur welcome :)

8 0
3 years ago
The selective serotonin uptake inhibitors, like the antidepressants Prozac, Zoloft, or Paxil, result in increased levels of sero
never [62]

Answer:

increase anxiety; decreased vulnerability to overreact to stress

Explanation:

Serotonin (5-HT) is a natural neurotransmitter that carries signals between nerve cells (neurons) throughout the body. This neurotransmitter (serotonin) is responsible for regulating many biological functions (e.g., mood, digestion, sleep, etc). Moreover, it has been shown that there is an association between low cerebrospinal fluid 5-hydroxyindole-acetic acid (5-HIAA, the principal serotonin metabolite in the brain) levels and the risk of developing depression or destructive behaviors. In addition, serotonin concentration can also be elevated in situations of anxiety and/or stress. Antidepressants such as Prozac, Zoloft and Paxil act as serotonin uptake inhibitors that increase serotonin concentration at the synaptic site. Like other drugs, these antidepressants may lead to increase anxiety and decrease the vulnerability to react to stress by downregulating sensitivity to serotonin released during natural stress situations.

3 0
2 years ago
Which one is the odd man out?<br> leaf of a plant<br> horse muscle<br> blood <br> sugar
Arlecino [84]

Answer:

LEAF OF A PLANT .

Explanation:

3 0
2 years ago
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