Ecosystems Keywords

A non-living part of an ecosystem is an...

• biotic factor

• abiotic factor

• nutrient

• biome

A living part of an ecosystem is a...

• biotic factor

• abiotic factor

• nutrient

• consumer

A large-scale ecosystem is called a...

• nutrient cycle

• consumer

• rainforest

• biome

An organism that obtains its energy by eating other organisms is called a...

• producer

• consumer

• decomposer

• predator

An organism that eats dead organisms, fallen leaves, animal droppings, etc, is called a...

• producer

• consumer

• decomposer

• bacteria

A community of living things and their environment is called an...

• nutrient cycle

• ecosystem

• food chain

• food web

When nutrients are washed out of the soil by heavy rainfall, this is called...

• leaching

• biomass

• leaf litter

• nutrient cycle

Plants that begin food chains by making energy from carbon dioxide and water are called...

• producers

• consumers

• decomposers

• organisms

The movement of nutrients between biomass, soil, and litter is called the...

• food chain

• food web

• nutrient cycle

• ecosystem

This is called...

• Leaf litter

• Soil

• Nutrients

• Consumers