Answer the following question given this paragraph: 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)
Answer the following question given this paragraph: Roundworms may be free-living or parasitic. Free-living worms are found mainly in freshwater habitats. Some live in soil. They generally feed on bacteria, fungi, protozoans, or decaying organic matter. By breaking down organic matter, they play an important role in the carbon cycle. 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: Answer the following question given this paragraph: Muscle tissue is made up of bands of cells that contract and allow movement. 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).
Answer the following question given this paragraph: three building blocks of most matter. (The third is the neutron, which is neutral, carrying no charge. ) Other charge-carrying particles are observed in cosmic rays and nuclear decay, and are created in particle accelerators. All but the electron and proton survive only a short time and are quite rare by comparison. 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:Answer the following question given this paragraph: Animals often have gonads , organs that produce eggs or sperm. The male gonads are the testes , and the female gonads are the ovaries . Testes produce sperm; ovaries produce eggs. Sperm and egg, the two sex cells, are known as gametes , and can combine two different ways, both of which combine the genetic material from the two parents. Gametes have half the amount of the genetic material of a regular body cell; they are haploid cells. In humans, gametes have one set of 23 chromosomes. Gametes are produced through a special type of cell division known as meiosis . Normal human cells have 46 chromosomes. They are diploid cells, with two sets of 23 chromosomes (23 pairs). Q: What are female gonads normally called? Choices: - testes - tubules - glands - ovaries A:

Ans:ovaries
Answer the following question given this paragraph: Physical science is the study of matter and energy. It includes chemistry, which focuses on matter, and physics, which focuses on energy. Q: What is the study of matter and energy referred to as? Choices: - biology - geology - cosmology - physical science A:
physical science