Ecological Interactions and Niche Differentiation Quiz

Test your knowledge of community ecology with questions on mutualism, predation, competitive exclusion, and more!

#1

Which of the following is an example of mutualism?

Lion hunting a zebra
Bee pollinating a flower
Snake eating a mouse
Hawk preying on a rabbit
#2

What term describes the role a species plays in its ecosystem?

Habitat
Niche
Territory
Range
#3

Which of the following is an example of a predator-prey relationship?

Bee and flower
Lion and zebra
Barnacles on a whale
Ants and aphids
#4

What is the term for the evolutionary process where unrelated species develop similar traits due to similar environmental pressures?

Convergent evolution
Divergent evolution
Parallel evolution
Adaptive radiation
#5

Which of the following is an example of a biotic factor?

Temperature
Sunlight
Predator
Rock
#6

What term refers to the range of conditions a species can tolerate and the range of resources it can use?

Habitat
Ecosystem
Community
Niche
#7

Which of the following is an example of a decomposer?

Lion
Earthworm
Deer
Eagle
#8

Which type of ecological interaction involves one species benefiting while the other is unaffected?

Mutualism
Commensalism
Parasitism
Competition
#9

What is the process called when two species evolve in response to changes in each other over time?

Symbiosis
Convergent evolution
Co-evolution
Adaptive radiation
#10

Which of the following is an example of a keystone species?

Rabbit
Ant
Beaver
Sea otter
#11

What happens during competitive exclusion?

Two species evolve to occupy different niches
Two species coexist peacefully
Two species compete until one outcompetes and eliminates the other
Two species form a symbiotic relationship
#12

Which of the following is an example of amensalism?

Bird eating seeds
Plants competing for sunlight
Bacteria secreting antibiotics
Moss growing on a tree
#13

What is the term for the range of conditions in which a species can survive and reproduce?

Niche breadth
Fundamental niche
Realized niche
Ecological tolerance
#14

Which of the following is an example of an ectoparasite?

Tapeworm
Flea
Malaria parasite
Lice
#15

In an ecosystem, how does niche differentiation contribute to biodiversity?

By reducing competition within species
By promoting interspecies cooperation
By increasing the number of available resources
By allowing for the coexistence of multiple species
#16

How does resource partitioning contribute to niche differentiation?

By increasing competition within species
By allowing species to share resources and reduce competition
By limiting the number of available resources
By promoting interspecies competition
#17

How does character displacement contribute to niche differentiation?

By reducing competition within species
By promoting interspecies cooperation
By increasing competition between species
By allowing for the coexistence of multiple species
#18

How does coevolution contribute to niche differentiation?

By reducing competition within species
By promoting interspecies cooperation
By increasing competition between species
By allowing for the coexistence of multiple species
#19

How does intraspecific competition contribute to niche differentiation?

By reducing competition within species
By promoting interspecies cooperation
By increasing competition between species
By allowing for the coexistence of multiple species

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