third grade science unit 4 - Ecosystems and interactions
ecosystems and interactions
Everything that surrounds a living thing.
All of the living and non-living things in a place.
The space where a plant or animal lives.
All of one kind of organism living in the same space. For example all of the wolves in Yellowstone National Park.
All of the populations that live and interact in an area.
A living thing that makes its own food. Examples are plants.
A living thing that eats other living things. Examples are animals
An organism that breaks down dead organisms. Examples include earthworms, bacteria, and mushrooms.
Animals that only eat plants.
Meat eating animals
Animals that eat both plants and animals.
Shows the path of food from one living thing to another.
An animal that hunts other animals for food.
Dry land caused when it doesn't rain for a long time. Plants wilt and die.
When small pieces of rock are carried away by water and sometimes by wind.