Ecosystems Sudy Guide

What does an ecosystem consist of?

• Only living things

• Only nonliving things

• Both living and nonliving things

• Only plants and animals

What are the living things in an environment called?

• Biotic factors

• Abiotic factors

• Niches

• Habitats

Which is NOT an example of a biotic factor?

• plant

• animals

• fungi

• water

What are the nonliving things in an environment called?

• biotic factors

• abiotic factors

• niches

• habitats

How do biotic and abiotic factors interact in an ecosystem?

• They compete with each other for resources

• They have no interaction

• They supply resources to each other

• They eat each other for survival

What do plants need to survive?

• Air, water, and sunlight

• Rocks, soil, and light

• Water, soil, and rocks

• Air, water, and rocks

What do plants provide for many animals in an ecosystem?

• air

• water

• food

• shelter

What is the place in an ecosystem where an organism lives called?

• niche

• species

• habitat

• population

What is a niche?

• The type of ecosystem

• The nonliving things in the environment

• The special role an organism plays in the ecosystem

• The space an organism occupies in the ecosystem

What do populations in an ecosystem make up?

• biotic factors

• abiotic factors

• communities

• habitats