Which of the following would be a secondary consumer?
People who are keen to eat bear, which eats small mammals that live off berries and seeds
A maple tree that stores energy harnessed from the sun in the form of sugars through a process called photosynthesis
A black-tailed deer that browses on grasses and shrubs
Earthworms, bacteria and fungi that decompose plant matter on the forest floor to replenish the soil
A western diamondback rattlesnake that preys on field mice that eat seeds and berries
What is the ratio of energy generated by producers to the energy absorbed by the next trophic level up, that of primary consumers?
