A:similar animal fossils found in South America and Africa
(D) Both perform photosynthesis is the observation that led researchers to propose that chloroplasts evolved from cyanobacteria.
Chloroplasts is the area where photosynthesis takes place. It is a green organelle in a plant cell. Pigments called the chloros in a chlorophyll are needed for the photosynthesis.
Cyanobacteria or blue-gree algae contains a blue photosynthetic pigment and a chlorophyll for photosynthesis.
Answer:
Ok The question is kind of confusing. so I'm jut going to describe what I see and name it.
the big Orange one is the nucleaus. The smaller light green ones are the mitocondrea. The dark green is the "Post offfice" for the cell (forgot name sorry) Lighter green outside is cell membrane, darker green is cell wall.
That's is as much as i can tell you right now, but i will edit my answer when i get better ones.
Explanation:
The answer is d. semi permeable nature of the membrane
I think it is their normal state