Ecology Unit Review test

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microbes) interacting with their physical environment (air, water, soil) in a specific area.

Front

What are the three main roles of organisms in an ecosystem?

Back

The three main roles are producers, consumers, and decomposers.

Front

Define a producer in an ecosystem.

Back

A producer is an organism that can make its own food through photosynthesis or chemosynthesis, such as plants.

Front

What is a consumer?

Back

A consumer is an organism that cannot produce its own food and instead obtains energy by eating other organisms.

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead or decaying organisms, returning nutrients to the soil, such as fungi and bacteria.

Front

What is an omnivore?

Back

An omnivore is an organism that eats both plants and animals, such as a chimpanzee.

Front

What is a carnivore?

Back

A carnivore is an organism that primarily eats meat, such as a lion.

Front

What is a herbivore?

Back

A herbivore is an organism that primarily eats plants, such as a cow.

Front

What does 'environment' refer to?

Back

The environment refers to the natural world, including the air, water, and land.

Front

Give an example of a relationship between a living thing and a non-living thing.

Back

A tree gets nutrients from the soil.