Ecosystems, Biomes and Threats to Diversity

Biomes and Ecosystems

1. Ecosystem ecologists study communities/biomes in the context of their abiotic/biotic envirornment

2. The world's major ecosystem types are _____

3. The character of terrestrial biomes depends on _____

4. The _____ biomes occupy the largest part of the biosphere

5. Most _____ biomes are not determined by latitude or climate except for _____ _____

6. Ecosystem ecologists study two types of dynamics:

7. T/F: Plants convert 20% of the light energy striking the surfaces of their tissue.

8. Nitrogen, a macro/micronutrient has consequences in that

9. The process of changing nitrogen to usable forms such as NH4+ or NO3- is called _____ _____

10. T/F: Nitrogen cycles mostly biotically.