Living Things
Tiny microorganisms, some of which are decomposers.
What is bacteria?
The process that breaks down food into simple materials that an animal's body can use.
What is digestion?
All the living and nonliving things that interact with each other in an area.
What is an ecosystem?
The process that producers use to make food from carbon dioxide and water.
What is photosynthesis?
Any organism that makes its own food.
What is a producer?
An organism that gets energy by eating other organisms.
What is a consumer?
A gas found in air that is used to make food by photosynthesis.
What is carbon dioxide?
A model showing the path of energy through a series of organisms in an ecosystem.
What is a food chain?
A mixture of soil and decayed matter that provides the materials that plants need.
What is compost?
An animal that is captured and eaten.
What is prey?
An organism that gets matter and energy by feeding on dead materials and wastes.
A gas found in air that is produced as waste during photosynthesis.
What is oxygen?
A model that shows the amount of energy that is passed on at each level of a food chain.
What is an energy pyramid?
A sudden change that has long-lasting effects on an ecosystem. These changes to the ecosystem can happen naturally of be the result of human activity.
What is a disturbance?
An animal that captures and eats other animals.
What is a predator?
A group of organisms that act as decomposers.
What are fungi?
The process that moves materials through the body.
What is circulation?
A diagram that shows the many connected food chains and feeding relationships in an ecosystem.
What is a food web.
The slow changes that take place in an ecosystem that has been disturbed, One group of organisms replaces another group until a stable community is formed.
A non-native organism that causes harm to an ecosystem.
What is an invasive species?