Multiple biological traits: a. do not exist in humans. b. do not lead to clear-cut racial classifications. c. with biological profiling. d. are race specific. anthro

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.

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?