Which is the only organ that is located medially within the body?

A. the skin

B. the heart

C. the appendix

D. the kidneys

George is interested in insects and wants to do an experiment. Which of the following is a scientific question about insects that he could investigate with an experiment? A. Do ants feel anxiety? B.

Which of the following occurs during anaphase I of meiosis? (A) Formation of tetrads (B) Separation of homologous chromosomes (C) Crossing over (D) Separation of sister chromatids, with one chromatid pulled toward each pole (E) Assembly of

Wat are the steps in mitosis in dna replication

In a soil profile, which is the second layer? A. parent rock B. topsoil C. subsoil D. solid rock

A researcher suspects that the food in an ecosystem has been contaminated with radioactive phosphates over a period of months. Which of the following substances could be examined for radioactive phosphate to test the hypothesis?

When will the coronavirus end? Is it already starting to dissipate?

Explain the relationship between genes, base pairs, and chromosomes

Classification of an organism by its distinct characteristics that match others in a population

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere. True False

The wetland where a species of wading bird nests and hunts for food is drained to make way for a housing development. This is an example of A.) selective cutting B.) habitat destruction C.) conservation D.) habitat fragment