The bill of right if am wrong I am so so sorry.
4) all of the above.
This because it cause all of these things obviously
Answer:
A. Pollen, stigma, pollination
Explanation:
Chloroplasts, they help the plant cells to perform photosynthesis which animal cells do not need
For giving you understanding ; we need Free O2 but Oxygen is also available in H20 right why dont we use it !!
As the early atmosphere was reducing as there was no free oxygen but it was later produced by chemoautotrophic bacteria !! Living thing release O2 in atmosphere thus making it oxidising in nature and then life evolves !!
