Answer: b. chemoautotrophs
Explanation: chemoautotrophs are organisms that obtain energy, molecules, water by the oxidation of electron donors in their environments. Chemoautotrophs are able to synthesize their own organic molecules from inorganic sources. They are different from phototrophs who requires sunlight to make their own food
True, but there are some energy sources cheap
Answer: cytokinesis
Explanation:
In animal cells, cytokinesis is achieved when a contractile ring of the cell microtubules form a cleavage furrow that divides the cell membrane into half.