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