Which of the following statements about gray matter is true? a. it's composed of axons. b. it's composed of dendrites. c. it makes up the outer tissue layer in the brain. d. it transmits nerve signals from one area of the cns to another.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

What noticeable trend from this graph might be used to make a conclusion?