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n200080 [17]
3 years ago
13

What is the “Symbiotic Theory” and how does it fit in with cells?

Biology
1 answer:
Allisa [31]3 years ago
7 0
Symbiotic theory's main idea is that simple prokaryotes evolved into complex eukaryotes.
The way this evolution processed is curious: when prokaryotes ate each other, the ones which were eaten, did not die, but instead changed into organelles like the nucleus, mitochondria etc.
The fact which supports this theory is that mitochondria have their own DNA different then DNA of the DNA of the creature.
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4 0
3 years ago
???????? ??????????????Help
defon

Biotic factors are those that are living in an ecosystem, such as plants and animals, while abiotic factors are those that are not, such as rocks, temperature, water, sunlight, soil etc.

C is correct for number 2 because broadleaf trees are a biotic factor, while precipitation, or rainwater, is abiotic.

A is incorrect because both are biotic factors, since both are living

B is incorrect because both are abiotic factors, since both are nonliving

D is incorrect because both are biotic factors, since both are living

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