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olga_2 [115]
3 years ago
5

Which freshwater ecosystem is most productive?

Biology
2 answers:
Andrew [12]3 years ago
6 0

Answer:

Swamp

Explanation:

statuscvo [17]3 years ago
4 0

Answer:

Wetlands

Explanation:

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Think about the DNA coding sequence of a gene. If an A were swapped for a T, what kind of mutation could it cause and why?
sleet_krkn [62]

Answer:

The answer is D.

Explanation:

The given situation in the question where an Adenine nucleotide is swapped for a Thymine nucleotide, which as stated are complimentary of each other just like guanine and cytosine, can cause all three types of mutations, frameshift nonsense, frameshift missense and silent because the situation is not specific to either of them. There is no information whether the change resulted in a change in the amino acid structures or not. In this case the best answer is D.

I hope this answer helps.

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4 years ago
3. Through the enteric nervous system, stress causes:
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Answer:

This will help you

Explanation:

In more serious cases, stress may cause a decrease in blood flow and oxygen to the stomach, which could lead to cramping, inflammation, or an imbalance of gut bacteria. It can also exacerbate gastrointestinal disorders, including Irritable bowel syndrome (IBS) Inflammatory bowel disease (IBD)

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Water can be considered water pollution if man changes the temperature.<br> True or false ?
MArishka [77]

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False

Explanation:

5 0
3 years ago
View the incomplete table:
Mnenie [13.5K]

Answer:

I believe answer choice C(w)

Explanation:That’s what I picked and I got it correct

4 0
3 years ago
Nitrogen fixation, the process of making nitrogen usable for living things, happen most in
Nady [450]

Answer:

The nitrogen gas must be changed to a form called nitrates, which plants can absorb through their roots. The process of changing nitrogen gas to nitrates is called nitrogen fixation. It is carried out by nitrogen-fixing bacteria. The bacteria live in soil and roots of legumes, such as peas.

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