Biologists use the scientific method to answer questions about:
a. the living world.
b. the stars and planets.
c. government elections.
d. computers.

A. the living world

Explanation:

Biologists are the scientists who studies about the living world which includes living beings which interact with their non-living physical environment. The living world is included in the biosphere of earth. Living beings like plants, animals, microbes, humans are commonly studied and observed by these scientists.

the answer would be knowledge about cars!

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?