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valina [46]
3 years ago
14

A researcher notices a decline in organism and population numbers over several years in a stream environment. What human activit

y may have affected organisms and populations in this way?
Biology
1 answer:
PSYCHO15rus [73]3 years ago
6 0
Probably over-fishing so the organisms dont have enough food to eat. 
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The information from messenger RNA is used to create polypeptide sequences during the process of _____.​
polet [3.4K]

Answer:

Translation

Explanation:

The translation is the process during which the nucleotide sequence of the mRNA is read in the form of genetic codes. The nucleotide sequence of mRNA is complementary to the template DNA strand. According to the sequence of the nucleotides in the mRNA, the amino acids are added in a specific order to make the polypeptide chains. The process occurs on ribosomes. The ribosomes move along the mRNA to read its sequence and the tRNA brings are amino acids to be added to the polypeptide chains.

8 0
3 years ago
Did physical weathering probably form this rock arch quickly or slowly? Explain your response.
marta [7]

Answer:

i'd assume yes

Explanation:

If there was a picture it would help but im going off information i know aboutweathering and ersion.

Yes, physical wearthing did create this arch because waves they carry sedoment pieaces away or off of that rock and it possible could have been frozen off. I belive the proces happen slowy just because of how (big or small which ever one) and it takes time to get an arch that big (or small) to be that shape.

I really tried my best to help you and i hope this is the answer your teacher is looking for! Good luck and please make sure to word it in your own words :)

8 0
3 years ago
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A change in the sequence of bases in a DNA molecule is know as
Ymorist [56]

Answer:

A point mutation is a change in the base sequence of a DNA molecule.

Explanation:

8 0
2 years ago
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Which of the following is a plant structure that aids in water retention?
harina [27]

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A

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it holds water in the plant

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What is the responsibility of circulatory system​
KiRa [710]

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itis responsible for the circulation as wel as purification of blood in the human body

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