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Ecology Ch 1
Test Description: Limiting factors, levels of an ecosystem, symbiotic relationships, adaptations
Instructions: Answer all questions to get your test result.
1) An organism's particular role in its habitat, or when and how it survives, is called its?
A
carrying capacity
B
ecosystem
C
competition
D
niche
2) All of the following are examples of limiting factors EXCEPT?
A
space
B
soil
C
food
D
weather conditions
3) A hawk builds a nest on an arm of a cactas is an example of?
A
mutalism
B
predation
C
parasitism
D
commensalism
4) An organism's habitat must provide all of the following EXCEPT?
A
food
B
water
C
predators
D
shelter
5) A population is all the members of one species living in a particular?
A
habitat
B
ecosystem
C
community
D
area
6) If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is?
A
100 beetles per square meter
B
5 beetles per square meter
C
4 beetles per square meter
D
20 beetles per square meter
7) The place where an organism lives and that provides the things the organism needs to called its?
A
species
B
habitat
C
community
D
population
8) Which of the following is a biotic factor in the prairie ecosystem?
A
sunlight
B
grass
C
water
D
soil
9) Which of the following is an example of a population?
A
the bushes and grass in a park
B
the cats and dogs in your neighborhood
C
the rocks in a rock collection
D
the gray wolves in a forest
10) When a flea is living on a dog, the dog is the?
A
parasite
B
prey
C
host
D
predator
11) The smallest unit of ecological organization is a single?
A
organism
B
ecosystem
C
community
D
population
12) The struggle between organisms to survive in a habitat with limited resources is called?
A
competition
B
symbiosis
C
parasitism
D
predation
13) All the different populations that live together in an area make up a(n)?
A
species
B
community
C
organism
D
ecosystem
14) Mutalism, commensalism, and parasitism are the three types of
A
symbiotic relationships
B
competition
C
prey adaptations
D
predation
15) The largest population that an enviornment can support is called its?
A
birth rate
B
death rate
C
carrying capacity
D
limiting factor
16) The study of how things interact with each other and with their environment is called
A
ecology
B
community
C
photosynthesis
D
biotic studies
*select an answer for all questions
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