5. Does the color of the food affect the amount of food eaten by goldfish? HYPOTHESIS:
INDEPENDENT VARIABLE:
DEPENDENT VARIABLE: ​

Which events are likely to be catastrophic to an ecosystem? select the three correct answers. a-hurricane. b-steady population growth. c-seasonal flooding. d-introducing of an aggressive invasive species. e-tsunami.

What type of cell is produced after fertilization occurs and the gametes combines ?

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.