Which of the following would be a secondary consumer?
Earthworms, bacteria and fungi that decompose plant matter on the forest floor to replenish the soil
People who are keen to eat bear, which eats small mammals that live off berries and seeds
A black-tailed deer that browses on grasses and shrubs
A maple tree that stores energy harnessed from the sun in the form of sugars through a process called photosynthesis
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?
