Which of the following would be a secondary consumer?
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
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
What is the ratio of energy generated by producers to the energy absorbed by the next trophic level up, that of primary consumers?
