To measure species diversity in a community, you need to know the number of species.
both A and B
the physical size of each species.
O A, B, and C
the relative abundance of each species.

Average annual precipitation and are the two major features that define the biomes on earth.

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

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.