Energy Flows Through Ecosystems

1.) a. Examples of Primary Producers are, and b. how do they get their Energy?
Producers - use solar energy to produce organic plant material through photosynthesis.

2.) a. the second trophic level is made up of water creatures and b. from where do they get their energy?
Herbivores - feed souly on plants.

3.) why do predators make up the third trophic level?
because they feed at several trophic levels , ex - bears eat berries and salmon.