Biosphere, Ecosystem, Communities, Populations, Organisms, Organ systems, Organs, Tissues, Cells, Organelle.
Answer:
Animals or Plants
Explanation:
Describe two types of living things that biologists could study. Think about types of living things that are not in the ocean — what categories of living things are on land?(5 points)Two types could be animals and plants. Different categories that I know of are like reptiles, birds, and amphibians. 4.
They transport oxygen to all the cells of the body
