ENV 101
Graded Exam 2
Environmental Science
Actual 393 Questions & Answers
This Exam contains:
❖ Actual 393 Questions and Answers
❖ 100% Guarantee Pass.
❖ Multiple-Choice (A–D).
❖ Each Question Includes The Correct Answer
,1. "Abundance" describes the total number of _______ while "diversity"
describes the number of _______.
A) Species in a community; organisms in a community
B) Organisms in a community; species in a community
C) Habitats in a region; organisms in a community
D) Species in a region; habitats in a community
Answer: B
2. A "closed community" has a:
A) Wide ecotone
B) No ecotone
C) Narrow ecotone
D) Variable ecotone
Answer: C
3. A biological community's productivity is a measure of:
A) The number of species present
B) The energy used by decomposers
C) The amount of biomass produced in the community
D) The diversity of trophic levels
Answer: C
4. A biome absent from North America is the:
A) Tundra
,B) Desert
C) Temperate rainforest
D) Tropical rainforest
Answer: D
5. A biome is described by:
A) A single dominant species
B) Broadly similar environmental conditions
C) Identical species compositions worldwide
D) Only temperature ranges
Answer: B
6. A climax community is one that:
A) Has the highest species diversity
B) Is recently disturbed
C) Is relatively stable and long lasting
D) Is dominated by pioneer species
Answer: C
7. A community that changes very little over time is said to have great:
A) Diversity
B) Complexity
C) Constancy
, D) Productivity
Answer: C
8. A community with hundreds of different types of primary producers, a few
herbivores, and only one carnivore has:
A) High complexity
B) Little complexity
C) High diversity
D) High productivity
Answer: B
9. A dieback or population crash often occurs after a species _______ its
environmental carrying capacity.
A) Approaches
B) Undershoots
C) Reaches
D) Overshoots
Answer: D
10. A generalist is a species that:
A) Thrives in only one habitat
B) Has one specific food source
C) Occupies a variety of ecological niches
D) Competes only intraspecifically
Graded Exam 2
Environmental Science
Actual 393 Questions & Answers
This Exam contains:
❖ Actual 393 Questions and Answers
❖ 100% Guarantee Pass.
❖ Multiple-Choice (A–D).
❖ Each Question Includes The Correct Answer
,1. "Abundance" describes the total number of _______ while "diversity"
describes the number of _______.
A) Species in a community; organisms in a community
B) Organisms in a community; species in a community
C) Habitats in a region; organisms in a community
D) Species in a region; habitats in a community
Answer: B
2. A "closed community" has a:
A) Wide ecotone
B) No ecotone
C) Narrow ecotone
D) Variable ecotone
Answer: C
3. A biological community's productivity is a measure of:
A) The number of species present
B) The energy used by decomposers
C) The amount of biomass produced in the community
D) The diversity of trophic levels
Answer: C
4. A biome absent from North America is the:
A) Tundra
,B) Desert
C) Temperate rainforest
D) Tropical rainforest
Answer: D
5. A biome is described by:
A) A single dominant species
B) Broadly similar environmental conditions
C) Identical species compositions worldwide
D) Only temperature ranges
Answer: B
6. A climax community is one that:
A) Has the highest species diversity
B) Is recently disturbed
C) Is relatively stable and long lasting
D) Is dominated by pioneer species
Answer: C
7. A community that changes very little over time is said to have great:
A) Diversity
B) Complexity
C) Constancy
, D) Productivity
Answer: C
8. A community with hundreds of different types of primary producers, a few
herbivores, and only one carnivore has:
A) High complexity
B) Little complexity
C) High diversity
D) High productivity
Answer: B
9. A dieback or population crash often occurs after a species _______ its
environmental carrying capacity.
A) Approaches
B) Undershoots
C) Reaches
D) Overshoots
Answer: D
10. A generalist is a species that:
A) Thrives in only one habitat
B) Has one specific food source
C) Occupies a variety of ecological niches
D) Competes only intraspecifically
