The number of different species in a community describes its

a. endemic species.

b. threatened species.

c. species richness.

d. invasive species.

e. ecosystem services.

When does dna replication(make a copy of itself)?

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false