Ecology Review

All the populations of all the different species in an area

• community

• ecosystem

A group of organelles within an organism that work together to do a very particular job.

• Atom

• Organ

Every living thing in a particular environment as well as the abiotic factors in the environment.

• ecosystem

• biome

A very large community on Earth, defined by what lives there and most specifically by location and climate.

• biome

• biosphere

The choice that contains all abiotic factors is:

• fish, rabbits, lynx, snow

• rain, wind, rocks, soil

A _________ physically (not chemically) breaks down dead plant matter in an environment.

• detritivores

• scavenger

An animal that eats only (or at least primarily) other animals.

• herbivore

• carnivore

A food chain is:

• An image of who eats who, usually arranged in a line.

• A visual web of the transfer of ecosystem across an entire community.

The savanna, the tundra, and the ocean are all

• communities

• biomes

One single squirrel is considered a(n)

• population

• species

• organism