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Eduardwww [97]
3 years ago
11

A scientist who studies the whole environment as a working unit.

Biology
1 answer:
Citrus2011 [14]3 years ago
6 0

Ecologist let me know if you need all the answers


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A change in a given direction causes change in the opposite direction.
Marrrta [24]

Answer:

Negative Feedback

Explanation:

Negative feedback is a stimulus that cause the system to move in the opposite direction of what has happening.  For example if your are cold, you will shiver in order to create heat that will cause your body temperature to increase.   But if you are hot you will sweat which will cause your body temperature to decrease.  

6 0
3 years ago
2. A scientist wants to clone a molecule bearing UniProtKB accession number P43657. How will he come to
Whitepunk [10]

Answer:

II. Coding and noncoding segments of the molecule

Explanation:

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5 0
3 years ago
What is the endosymbiotic hypothesis?
stepan [7]

Answer: What does the endosymbiont hypothesis propose? It proposes that early eukaryotic cells acquired the precursors of mitochondria and chloroplasts by engulfing certain types of bacteria. ... Mitochondria, chloroplasts, and centrioles in eukaryotic cells each contain their own minute and unique supply of DNA.

Explanation:

The first piece of evidence that needed to be found to support the endosymbiotic hypothesis was whether or not mitochondria and chloroplasts have their own DNA and if this DNA is similar to bacterial DNA. This was later proven to be true for DNA, RNA, ribosomes, chlorophyll (for chloroplasts), and protein synthesis.

3 0
3 years ago
What factor can cause to two populations to become reproductively isolated?
Nina [5.8K]
It occurs when groups in a species become reproductively isolated and diverge. In allopathic specification, groups from an ancestral population evolve into separate species due to a period of geographical separation.
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3 years ago
If a population has low death rates and high life expectancy which end of the population pyramid will increase?
Eduardwww [97]

Answer: "Constrictive" pyramid

[ I hope my answer is correct]

6 0
2 years ago
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