Where does blood get a new supply of food and oxygen?

Why might someone introduce a non-native species intentionally? a. They believe it will be beneficial. b. They are trying to increase biodiversity. c. There are rarely intentional introductions.

Influenza viruses are classified into three types. List the three types and give a description of each.

If an initial population of bacteria doubles every hour, what is the growth factor of this exponential model?

Invasive species can be: a. animals b. microbes d. all of the above

How do invasive species threaten biodiversity? a. They create new habitats for native species. b. They compete with native species for resources. c. They increase the overall population of all species.