61. Which of the following is an example of a pioneer species?
a) Grass
b) Trees
c) Deer
d) None of the above
Answer: a
62. What is the term for the variety of ecosystems in a given area?
a) Biome
b) Biodiversity
c) Biosphere
d) None of the above
Answer: a
63. Which of the following is NOT a type of trophic level?
a) Primary producer
b) Primary consumer
c) Tertiary producer
d) None of the above
Answer: c
64. Which of the following is an example of an invasive species?
a) Deer
b) Oak tree
c) Zebra mussel
d) None of the above
Answer: c
65. What is the term for the total number of different species in an ecosystem?
a) Biomass
b) Biodiversity
c) Biome
d) None of the above
Answer: b
