Do Now: 9/20 Make a T-chart on the back of the notes paper. List as many abiotic and biotic factors as you can from this picture.

Distinguish between the biotic and abiotic parts of the environment. Explain how populations and communities are related. Describe how the abiotic parts of the environment affect ecosystems.

Ecosystem Definitions

Ecology - the study of the interactions of organisms with one another and with their environment.

Niche- an organism’s role or job in the ecosystem Habitat- an environment that provides the things an organism needs to live, grow and reproduce. Niche- an organism’s role or job in the ecosystem

There are Two Parts of the Environment Abiotic- the Nonliving parts of an environment Biotic- All the Living organisms and products of organisms (If it was once living… it is considered Biotic)

What are some Abiotic Factors? Water- Sunlight- Air - Temperature- Soil-

We organize all Biotic elements further… Levels of Organization

Organism- Any living thing Individual- One Single Organism Population- All of the individuals of one kind in a specified area at one time

Community- All the interacting populations in a specified area Ecosystem- a system of interacting organisms and nonliving factors in a specified area

Biosphere- all the living things together in the world

What is it? Quiz yourself on Vocabulary

2 Individuals or Ecosystem

Ecosystem

Organism/ Individual

Ecosystem

Population

Abiotic