1. Ecosystems tend to lose energy as a result of...
A) photosynthesis
B) chemosynthesis
C) the storing of chemical energy in the molecules of organisms
D) the radiation of heat by organisms using chemical energy

2. In which biomes is fire a regular part of the natural cycle?
A) taiga and chaparral
B) deciduous and desert
C) temperate and prairie
D) none of these