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Triss [41]
3 years ago
14

The functional role of a species within an ecosystem

Biology
1 answer:
lord [1]3 years ago
4 0
Ecological Niche. An ecological niche characterizes the position of a species within an ecosystem, comprising both the habitat requirements and the functional role of a species.
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Which picture represents a cast?
Snowcat [4.5K]

Answer:

its number 1

Explanation:

because the fly is stuck in amber

and the snail shell is in mold and is filled up

and number 2 is not cast

5 0
3 years ago
Does blood always carry a lot of oxygen to various parts of your body?
anastassius [24]

Answer:

No

Explanation:

No, your body functions into the oxygen from trees. Oxygen is the only way for your blood to keep your body warm. If you dont have enough blood in your body for the oxygen it needs, then your body will keep frozen. Oxygen is the only way to make your body prosses.

8 0
3 years ago
Explain the differences between eukaryotic and prokaryotic cells.
Andrei [34K]

Explanation:

Comparing prokaryotes and eukaryotes

All life on Earth consists of either eukaryotic cells or prokaryotic cells. Prokaryotes were the first form of life. Scientists believe that eukaryotes evolved from prokaryotes around 2.7 billion years ago.

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information. In prokaryotes, DNA is bundled together in the nucleoid region, but it is not stored within a membrane-bound nucleus.

The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles. Another important difference is the DNA structure. Eukaryote DNA consists of multiple molecules of double-stranded linear DNA, while that of prokaryotes is double-stranded and circular.

5 0
2 years ago
What do nitrifying bacteria do?
yanalaym [24]
The correct answer is A
Because it’s ammonium
6 0
3 years ago
Genetic drift is one mechanism of evolutionary change. Which of the following best describes an example of genetic drift?
mash [69]

Answer:

B) Random fluctuations in the gene frequencies within a population

Explanation:

Genetic Drift Examples. Genetic drift is a change in the frequency of an allele within a population over time. This change in the frequency of the allele or gene variation must occur randomly in order for genetic drift to occur. ... Examples of genetic drift are more evident in smaller populations of organisms.

8 0
3 years ago
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