Abiotic things affect an organisms ability to survive and reproduce.

pH balance, salinity and minerals are considered

A group of organisms, all of the same species, which interbreed and live at the same place and time is a(n)

All the populations of a different species that live in the same place.

A plant or animal in an ecosystem is a(n)

The levels of organization from smallest to largest are:

Which example shows an organism using an abiotic component of its habitat?

Living things, of may species, in an area is a(n)

Meat eating reptiles depend on what biotic factor to survive?

Choose the description of a biotic and abiotic interaction:

Choose the list of biotic things.