decomposition

Decomposers recycle nutrients from dead material. This topic is part of Ecology within Science & Nature. This page currently draws on 14 supporting questions, with answers and bonus facts available below.

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decomposition trivia questions

Decomposition breaks down dead organic matter into what?

Answer: Simpler substances

Bonus fact: Decomposers recycle nutrients from dead material.

Which organisms are major decomposers?

Answer: Bacteria and fungi

Bonus fact: Microbes and fungi digest dead organic matter.

What environmental condition generally speeds decomposition most?

Answer: Warm, moist conditions

Bonus fact: Heat and moisture support decomposer activity.

Why does turning a compost pile often speed decomposition?

Answer: It adds oxygen

Bonus fact: Aerobic decomposers work faster with adequate oxygen.

What organisms do most of the decomposition in compost?

Answer: Microorganisms

Bonus fact: Bacteria and fungi break down organic matter.

What two organism groups perform much of the decomposition in ecosystems?

Answer: Fungi and bacteria

Bonus fact: Microbes and fungi chemically break down dead material.

Does biodegradable always mean an item will quickly disappear in every environment?

Answer: No

Bonus fact: Temperature, moisture, oxygen, and microbial activity affect decomposition.

Which environment can naturally mummify bodies through extreme dryness?

Answer: Desert

Bonus fact: Dry conditions slow decomposition.

Allelopathic chemicals are often released through roots, leaves, or what else?

Answer: Decaying plant material

Bonus fact: Rainfall and decomposition can move compounds into soil.

A mummy is a preserved what?

Answer: Body

Bonus fact: Mummification slows decomposition.

What ecological process do decomposers directly support by releasing nutrients back into soil and water?

Answer: Nutrient cycling

Bonus fact: Decomposition makes elements available for reuse.

What process can create oxygen-depleted dead zones after nutrient pollution?

Answer: Eutrophication

Bonus fact: Decomposition of excess algae consumes dissolved oxygen.

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