36. Which of the following is an example of human effects on ecosystems?
A. invasive species B. disease spread C. pollution D. climate change E. all of the above
37. What is a consequence of over-exploitation?
A. species population size increasing
B. species fitness increasing
C. genetic diversity increasing
D. species going extinct
38.
Community Quiz
Species A and B are mutualists of each other. How will Species B's
fitness change when grown with Species A compared to grown
separately?
A.
No change
B.
Increase
C.
decrease
39
Who are in the first trophic level in
this food web?
A. Star grass, acacia
B. Grasshopper, termite
C. Pangolin, mongoose
D. Vulture, eagle
40.
Which of these is an indirect effect
of the mongoose population
decreasing?
A. Caracal population decreasing
B. Mouse population increasing
C. Mouse population decreasing
D. Red oat grass population
increasing
E. Red oat grass population
decreasing