Question

The endosymbiotic theory proposes that chloroplasts in eukaryotic cells arose from
A. endosymbiotic prokaryotes that metabolized oxygen
B. endosymbiotic prokaryotes that were photosynthetic
C. endosymbiotic eukaryotes that were photosynthetic
D. endosymbiotic eukaryotes that metabolized oxygen

Answer 1

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Answer 2

Which one do you think it is? Any ideas?

Answer 3

i think it'sB

Answer 4

may i know why you think that?

Answer 5

I'm pretty sure it's not C or D because I eukaryotes didn't arise from other eukaryotes. So it's either A or B, I'm just gonna say B.

Answer 6

Im going to agree with your decision because based of what i learned chloroplasts in eukaryotic cells arose from endosymbiotic prokaryotes that were photosynthetic

Answer 7

Alright thank you.

Answer 8

No problem! :)

Answer 9

Could you help with a few other questions?

Answer 10

yep if you can repost them :)

Answer 11

How is the idea of common descent supported by examples of homologous structures as shown in Figure 16-5?

Answer 12

@abhisar

Answer 13

How is the idea of common descent supported by examples of homologous structures as shown in 16-5? @pooja195