As human travel increases, the number of introduced species likely
a. decreases.
b. increases.
c. stays the same.
d. is eliminated.

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What would happen if the krill were removed from the food web

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.