Rank the following disturbances to a forest area in order of the length of time (shortest to longest) needed for recovery of the forest rank in order logging, ice storm, tornado

What are two reasons for why a species might disappear from the fossil record?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.