Where you live!
How many are there?
What changes?
I eat what?
Coming to get you!
100

The environment that a living thing needs to live, grow and reproduce.

Habitat

100

You want the birth rates and death rates to be what?

higher

equal

lower

equal

100

What makes organisms better suited to a specific environment?

adaptations

100

What are the three ways we show an ecosystem?

food chain

food web

energy pyramid

100

Interactions which one organism kills another for food or nutrients.

prediation

200

I am a living thing!

organism

200

This movement means moving into a population.

immigration

200
An environmental factor that causes a population to decease in size.

Limiting factor

200

What is the energy change in the energy pyramid?

0.1

200

When two species have a relationship and live close together?

symbiotic relationships

300

Nonliving parts of an organism's habitat.

Abionic

300

population density formula

pd = # of individuals / unit area

300

Name the limiting factor.

food and water

climate and weather

space and shelter

300

An organism makes their own food.

Producers

300

A relationship that in which both species benefit.

Mutualism

400

Parts of a habitat that are or were once alive.

Biotic factors

400

This means leaving a population.

emigration

400

What is competition?

Food

Water

Shelter

400

I obtain energy by eating on other organisms.

Consumer

400

A relationship in which one species benefits and the other species is neither helped nor harmed.

commensalism

500

The study of how organisms interact with each other and with their environment.

ecosystem

500

If I have 800 squirrels in an area of 20 square mile.

40 squirrels square mile

500

Predator and prey population rise and fall together in predictable pattern.

population size

500
I break down biotic wastes and dead organisms.

Decomposers

500

A relationship that involves one organism living with, on, or inside of another organism.

parasitism