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Ecology Test Review
Test Description: Ecology Test Review
Instructions: Answer all questions to get your test result.
1) A cat tries to catch a fish. What relationship is this?
A
predator-prey
B
mutualism
C
competition
D
commensalism
2) What is the primary source of endergy in all ecosystems?
A
water
B
plants
C
animals
D
the sun
3) Which is an ABIOTIC factor that would affect the growth of a population within an ecosystem?
A
the availability of water
B
the availability of producers
C
the type of herbivores present
D
the number of carnivores present
4) Prairie dogs rely on underground tunnels for their shelter. Which BEST explains how the prairie dog population is affected when their tunnels are disrupted and exposed?
A
the prairie dogs can find more food to eat in the fields
B
the prairie dogs are burned by the sun
C
the prairie dogs are forced to learn to live in trees and shrubs
D
the prairie dogs are exposed to predators
5) Plants are...
A
Producers
B
Omnivores
C
Herbivores
D
Primary Consumers
6) A word that means the same thing as consumer is what?
A
Heterotroph
B
Biomass
C
Autotroph
D
Producer
7) The study of the interactions between living organisms and their environment is called what?
A
Biology
B
Ornithology
C
Ecology
D
Anthropology
8) When space is limited in an ecosystem, how is a bird population MOST likely to be affected?
A
competition will decrease
B
availability of nesting spots will decrease
C
survival rate will increase
D
availability of food will increase
9) What are two ways nitrogen gas becomes fixated and changed to a usable form?
A
fertilizer and animal waste
B
bacteria and sedimentation
C
food chain and amino acids
D
bacteria and lightning
10) Which term BEST describes a flea on a dog?
A
parasite
B
decomposer
C
vector
D
contagion
11) Which of the following is NOT one of the five major biogeochemical cycles?
A
Carbon
B
Water
C
Nitrogen
D
Iodine
12) All the interconnected feeding relationships in an ecosystem make up a food...
A
community
B
web
C
network
D
system
13) What is at the base (or beginning) of a food web or chain?
A
producers
B
consumers
C
decomposition
D
precipitation
14) Which statement about mutualism is correct?
A
One organism benefits, one is harmed
B
One organism benefits, one is not affected at all
C
Neither organism is affected at all
D
Both organisms benefit
15) The relationship between a carnivore and herbivore can be stated as...
A
commensalism
B
cooperation
C
predator and prey
D
parasite and host
16) An ecosystem is defined as...
A
a single species
B
the food chain in a specific area
C
a predator and prey relationship
D
a group of organisms and the habitat they share
17) How do producers (plants) take in oxygen and give off carbon dioxide?
A
water cycle
B
photosynthesis
C
oxygen cycle
D
aerobic or cell respiration
18) What contains the most carbon in the carbon cycle?
A
organisms
B
volcanoes
C
diamonds
D
coal
19) How to animals take in oxygen and give off carbon dioxide?
A
photosynthesis
B
water cycle
C
aerobic or cell respiration
D
oxygen cycle
20) Which part of a food web has the most available energy?
A
herbivores
B
producers
C
tertiary consumers
D
primary consumers
*select an answer for all questions
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