Classification groupings today are made on the basis of

Which of the following is the main purpose of a human community?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms