Living & Non-livingBiotic Abiotic

AnimalsPlants

Microbes

CloudsRocksCO2

O2

Water

(1) bacteria and soil(2) earthworms and nutrients

(4) fertilizer and decomposers(3) moisture and minerals

Abiotic factors that affect the growth of grass in a lawn include

BIOTIC Individual

Population

I

I

I

I

I

I

I

I

I = Individual (single organism)

Population

I

I

I

I

I

I

I

I

I

Population

I

I

I

I

I

I

I

I

ICommunity

Who Does ECOLOGY

Study?

Populations- members of the same species that live in the same area.

Communities- populations in the same area.

Sugar maples in a field

German roaches in an apartment YEUCH!

E. Coli bacteria in your intestine

WPHS students

Abiotic (limiting)Factors, like:

•Water•Oxygen•Sunlight•Temperature•etc.

Population

II

II

I

I

I

II

Population

II

II

I

I

I

II

Population

II

II

I

I

I

II

Community

+

= an Ecosystem (Ecological system)

Biotic Factors

Define the following using ecological terms