3.4 Ecology Study Guide

Question 1

Photosynthesis

Answer 1

The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Question 2

Cellular respiration

Answer 2

The process by which cells derive energy from glucose.

Question 3

Nitrogen Fixation

Answer 3

The process by which nitrogen is taken from its molecular form in the atmosphere and converted into nitrogen compounds useful for other biochemical processes.

Question 4

Denitrification

Answer 4

The loss or removal of nitrogen or nitrogen compounds.

Question 5

A pathway of processes that would occur during the carbon cycle.

Answer 5

1. Photosynthesis
2. Respiration
3. Feeding
4. Fossil fuel formation

Question 6

A pathway of processes that would occur during the nitrogen cycle.

Answer 6

1. Nitrogen fixation
2. Absorption
3. Denitrification

Question 7

Compare the movement of energy and matter through an ecosystem

Answer 7

Carbon and Nitrogen cycles start in the atmosphere. They all go through the feeding process as well as the death process.

Question 8

Contrast the movement of energy and matter through an ecosystem

Answer 8

Phosphorous Cycle starts from the Atmosphere whereas the other 2 process start from the ground.

Question 9

Compare the carbon and nitrogen cycles

Answer 9

The carbon and nitrogen cycles start in the atmosphere.