2.4 Index Cards

Question 1

Carbon Cycle

Answer 1

nature’s way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again.

Question 2

Reservoirs

Answer 2

a large natural or artificial lake used as a source of water supply.

Question 3

Positive Feedback

Answer 3

occurs in nature when the product of a reaction leads to an increase in that reaction.

Question 4

Negative Feedback

Answer 4

A negative feedback loop reduces the effect of change and helps maintain balance.

Question 5

Biogeochemical Cycle

Answer 5

The movement of nutrients and other elements between biotic and abiotic factors.