Answer:
What?
Explanation:
I don't understand the question.
Which structure are you talking about??
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
Answer:
I have no clue what this is but um
"The increase in cytoplasmic volume, as in cell development and cell reproduction. The increase in size or population of cells, as in mitosis. When used to describe the growth of cell populations, cell growth refers to the growth and division of the “mother cell” into two “daughter cells".
Explanation:
please mark as brainly
Answer:
conducting research to observe things in their natural habitat.
Explanation:
for example if someone is studying a certain culture, they would study the peoples culture, folklore, ways of living, and would interview them.
The answer would be respiratory because that system is used to breath oxygen and exhale carbon