Bacteria come in different shapes true or false

true

Explanation:

some of the commonly observed shapes are

cocci : round

bacilli : rod-shaped

cocco-bacilli : rod- and round-shaped at the same time

Spirillum: spiral

These shapes also have different arrangements that you can check up for more understanding.

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.