48. In the simple terrestrial food web diagram, which of these is a secondary consumer?
A. insects
B. deer
C. rabbit
D. mouse
E. none of the above
49. Using the terrestrial food web diagram, determine how much energy will be available to the shrew if the producers have 7000 kcal of energy stored in their tissues?
A. 7000 kcal
B. 700 kcal
C. 7 kcal
D. 70 kcal
50. What are the three main components of biodiversity?
A. keystone species, indicator species, species richness
B. biogeography, endemic species, immigrant species
C. species richness, genetic diversity, habitat diversity
D. species evenness, species productivity, species stability