What would happen if earth were not tilted on its axis?

a. earth would only have hot summers and cold winters.

b. earth would have the same seasons it has now.

c. earth would have no seasonal changes.

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 is one example of a phenotypic change that is not genetic

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii