Answer:
1.5 billion years ago
Explanation:
Protists are a collection formed up of protozoa, unicellular algae, and fungus forms. We will focus on the being part of this society: the protozoa (proto = first, zoa = beings). Protozoa are the earliest discovered collection of heterotrophic living that utilize and modify complicated meal particles into power. Although protozoans are only made up of a single cell, these organisms control to perform all the necessary responsibilities of life. The protozoa are split into four principal associations: the ciliates, the flagellates, the heliozoans, and the amoebas.
Taxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence.
Answer:
option B
Rough endoplasmic reticulum → Golgi apparatus → plasma membrane
Explanation:
The pathway used to make and export proteins from the cell is rough endoplasmic reticulum which have ribosomes. After which it is transferred to golgi apparatus. The golgi apparatus process it and form vesicle. These vesicles are then transported to plasma membrane.
I don't think the answer is A as that seems a bit drastic, I think it's C.