This is all of the conditions surrounding an organism.
What is an environment?
100
This is an organism that gets energy by breaking down wastes and dead organisms.
What is a decomposer?
100
These are any substances that damage the environment.
What is pollution?
200
This is where organisms live in an ecosystem.
What is a habitat?
200
These cannot make their own food, and must get their energy from others.
What are consumers?
200
This is the struggle of organisms for the same limited resources.
What is competition?
200
This is an organism that gets eaten by another organism?
What is prey?
200
An attempt to preserve or protect an environment from harmful changes.
What is conservation?
300
These factors include living and non-living things.
What are biotic and abiotic factors?
300
This is a series of steps by which energy moves from one type of living thing to another.
What is a food chain?
300
These happen to an environment over the course of many, many years.
What are slow changes?
300
This is a consumer that hunts and eats another animal to get energy.
What is a predator?
300
New plants and animals that are introduced into an ecosystem.
What are nonnative species?
400
This is a group of organisms of one species that live in the same area.
What is a population?
400
This is a diagram that combines many food chains into one picture.
What is a food web?
400
These are available supplies of food, water, sunlight, and space in an environment.
What are resources?
400
This type of organism lives on or inside of another organism.
What is a parasite?
400
This is Mr. Larson's favorite color.
What is gray?
500
This is made up of different populations in an area.
What is a community?
500
This is the most important factor in an ecosystem.
What is the sun?
500
Hurricanes, floods, forest fires, volcanic eruptions, earthquakes, avalanches, and other natural disasters, are examples of...
What are fast changes?
500
This is a long term relationship between two different organisms.
What is symbiosis?
500
The best-est most awesomest superhero in the history of forever.
(This might be on the test...but even if it's not, it is still a fact that might save your life one day).