YEAR 9 BIOLOGY REVISION

YEAR 9 BIOLOGY REVISION

A quick review of the topic decomposers followed by a quiz

Open Ended

Decomposers play a critical role in the flow of energy through an ecosystem.

Justify this statement.

Multiple Choice

Chemicals that break down large molecules

• enzymes

• bacteria

• organic matter

• all of these

Multiple Choice

Fungi are made of thread like structures called

• hyphae

• enzymes

• none of these

Multiple Choice

What sort of decomposes are growing on this orange?

• bacteria

• fungi

• protozoa

• none of these

Multiple Select

All decomposers have a well developed digestive system. State True or false

• True

• False

Multiple Select

Earthworms are decomposers. state true or false.

• true

• false

Multiple Choice

Identify the decomposer.

• A mushroom

• A green plant

• A mouse

Multiple Choice

Which of the following is the best way for disposal of vegetable and fruit peels?

• Recycling

• Composting

• Burning

Multiple Choice

Which of these organisms are the most important decomposers in an ecosystem?

• Algae and fungi

• Fungi and bacteria

• Algae and bacteria

• Bacteria and virus

Open Ended

How do fungi feed?