Environmental Engineering Reference
In-Depth Information
D.
Biomass
E.
Oil
19.
The biome that is adapted to and dependent upon frequent fires is:
A.
Chaparral
B.
Tundra
C.
Desert
D.
Boreal forest
E.
Savannah
20.
In an ecosystem, what represents the amount of energy available as food to heterotrophs?
A.
Gross primary production
B.
Biomass
C.
Net primary production
D.
Photosynthesis
E.
Cellular respiration
21.
Which of the following is an invasive species that has had devastating effects on freshwater ecosys-
tems, while also clogging pipes and boat engines?
A.
Bullfrogs
B.
Blue mussels
C.
Cheatgrass
D.
Brown tree snakes
E.
Zebra mussels
22.
Species that fulfill a narrow niche and depend on specific requirements for survival are considered:
A.
Generalists
B.
K-selected
C.
Specialists
D.
r-selected
E.
Survivors
23.
Essential to the process of natural selection and evolution are:
A.
Survival and adaptations
B.
Adaptations and reproduction
C.
Adaptations and mutations
D.
Survival and reproduction
E.
Adaptations and reproduction
24.
In a population of anteaters, in order to reach ants far underground, each generation has successively
longer tongues than the preceding generation. Which of the following types of selection does this adapt-
ation reflect?
I. Directional selection
II. Disruptive selection
III. Stabilizing selection
