Material that is deposited by water, wind, or glaciers is called ___.
O littoral material
O biotic material
O sediment
O plankton

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.