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Ecology Review 1
Test Description: Regents review questions on the topic of ecology
Instructions: Answer all questions to get your test result.
1) If an ecosystem is changed through a natural disaster, organisms will have the best chance of survival if
A
the organisms are large
B
their species exhibits genetic variation
C
their environment has few abiotic factors
D
the population size is small
2) The relationship that exists when athlete’s foot fungus grows on a human is an example of
A
parasite/host
B
decomposer/autotroph
C
predator/prey
D
producer/consumer
3) In state forests and parks containing varieties of flowering trees and shrubs, there are signs that say “Take nothing but pictures, leave nothing but footprints.” These signs are n
A
humans can destroy habitats by removing flowering trees and shrubs
B
all animals feed directly on flowering shrubs that may be removed by people
C
removal of flowering trees and shrubs will increase biodiversity
D
flowering shrubs grow best in state forests and parks
4) If several species of carnivores are removed from an ecosystem, the most likely effect on the ecosystem will be
A
an increase in the rate of succession
B
an increase in the kinds of autotrophs
C
a decrease in stability among populations
D
a decrease in the number of abiotic factors
5) One reason why people should be aware of the impact of their actions on the environment is that
A
there is a decreased need for new technology
B
ecosystems are never able to recover once they have been adversely affected
C
the depletion of finite resources cannot be reversed
D
there is a decreased need for substances produced by natural processes
6) Which statement best describes some organisms in the food web shown below?
A
Raccoons, fish, and ducks are secondary consumers.
B
Aquatic crustaceans are omnivores.
C
Minnows and fish are primary consumers
D
Algae and floating plants are decomposers.
7) Two of the herbivores represented in this food web are
A
Racoon and Frog
B
Deer and Cricket
C
Mouse and Hawk
D
Owl and Snakes
8) Which human activity will most likely have a negative effect on global stability?
A
increasing recycling programs
B
decreasing water pollution levels
C
decreasing habitat destruction
D
increasing world population growth
9) What is this picture an example of
A
succession
B
homeostasis
C
evolution
D
competition
10) A certain plant requires moisture, oxygen, carbon dioxide, light, and minerals in order to survive. This statement shows that a living organism depends on
A
symbiotic relationships
B
abiotic factors
C
biotic factors
D
carnivore-herbivore relationships
*select an answer for all questions
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