Q: When food is scarce, starving cells secrete a molecule that stimulates neighboring cells to do what? Choices: - compete - hoard energy - die off - aggregate A:
aggregate

(Question)
Q: Roundworms feed on various things, one of them being decaying organic matter. doing this, they play an important role in what famous cycle? Choices: - life cycle - soul cycle - water cycle - carbon cycle A:
(Answer)
carbon cycle

Ques: Q: What is made up of bands of cells that contract for movement? Choices: - vascular tissue - collagen - cartilage - muscle tissue A:
Ans: muscle tissue

(Q).
Q: What type of charge does a neutron have? Choices: - negative charge - positive charge - half charge - neutral or no charge A:
(A).
neutral or no charge

Ques:Q: What are female gonads normally called? Choices: - testes - tubules - glands - ovaries A:

Ans:ovaries

Q: What is the study of matter and energy referred to as? Choices: - biology - geology - cosmology - physical science A:
physical science