Chapter 2.9: Ecosystem (Vincent Okotel)

What is a niche?

• A type of habitat

• The role of an organism in the ecosystem

• A type of ecosystem

• A community of organisms

What do bees gather from the oak tree's blossom?

• Insects

• Pollen and nectar

• Old leaves

• Acorns

Where do woodlice and earthworms live in the oak tree ecosystem?

• In the branches

• In the tree trunk

• At the base of the tree

• In the canopy layer

What do sparrows eat in the oak tree ecosystem?

• Old leaves

• Acorns

• Insects and caterpillars

• Pollen

What is released into the soil when woodlice and earthworms break down old leaves?

• Water

• Nutrients

• Oxygen

• Carbon dioxide

Which organisms live in the canopy layer of the oak tree?

• Bees, squirrels, and sparrows

• Only bees

• Only sparrows

• Woodlice and earthworms

Why do sparrows and squirrels not compete for food?

• They are different sizes

• They live in different parts of the tree

• They eat different types of food

• They are active at different times

What is an ecosystem?

• A type of niche

• A type of tree

• A single organism

• A community of organisms and their physical environment

What is meant by co-exist?

• To have the same niche

• To compete for the same food

• To live together peacefully

• To live in the same habitat