Test Ch.3 Ecosystems and Food Chain
The way energy moves through ecosystems
An animal that eats only other animals
Something that can change a food chain
Groups of different animals and plants living together
A community of plants, animals, and non-living things in an environment.
Amount of salt in something
Group of the same species living in the same place at the same time.
A living thing that breaks down dead plants or animals.
A living thing that can make its own food.
What ecosystems have a large variety of plants and animals
Tropical rain forests and coral reefs
If an ecosystem has lots of space then it can contain _____ living things.
What are the kinds of plants that can live in the mangrove swamp limited by
What eats only meat
What are three things that can change food chains and webs
fire, flood, pollution
Producers, consumers, and decomposers are the three levels of _____
A food chain
Illegally hunting and killing animals
What humans do to help save animals & plants from becoming endangered
What is the main source of energy for all living things
What are the most basic parts of an ecosystem
Living and non-living things
What eats both plants and animals
What has flat, short teeth for grinding
Is a mouse a consumer
Can a mouse, a hawk, a worm and a plant all be part of a community
Where do animals that are adapted to changing water saltiness live
A population is ________ a community
Is a mouse a predator of a hawk
No, a prey
Explain what it means when food chains overlap
Consumers can share food in each other's food chains
What can happen if too many deer live in a habitat
There won't be enough food & they will have to compete for food, or move or die.
When the hawk dies, will producers break down the dead hawk's body
No, decomposers will.