Lesson 3 Wrap Up Questions

A. Why is there so much peat?

B. What produces oxygen?

C. How does temperature affect decomposition?

D. What is the history of halloween?

A. When plants die, they magically disappear

B. When plants die, they decompose and nutrients are recycled

C. When plants die, they are converted into oxygen gas

A. Decomposition occurs faster in colder temperatures

B. Decomposition occurs faster in warmer temperatures

C. Temperature does not affect the rate of decomposition

trapped in the frozen ice

trapped in the peat

trapped in the soil

trapped in the rock

increased lighting strikes

thawing of permafrost

human interference

enhanced fire prevention measures

rapid soil cooling

mass migration of animals

release of carbon dioxide into the atmosphere

decline in global temperatures

A. oxygen gas

B. carbon dioxide gas

A. photosynthesis

B. mitosis

C. cellular respiration

D. DNA replication

A. The temperature in the Arctic is getting warmer so more peat is decomposing which is releasing more CO2 into the air.

B. The temperature in the Arctic is getting colder so more peat is decomposing which is releasing more CO2 into the air

C. The temperature in the Arctic does not change the rate at which peat is decomposing