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Community Ecology
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by JENNIFER EWBANK
| 30 Questions
Note from the author:
Community Ecology
1
1 pt
What type of species interaction is the following: a killer whale kills and eats a seal.
commensalism
predation
mutualism
competition
2
1 pt
What type of species interaction is the following: two bears fighting over the same mate.
predation
mutualism
competition
parasitism
3
1 pt
________________is when 2 or more species live in close association.
predation
competition
symbiosis
food web
4
1 pt
Name the species interaction: a bee and flower both benefit from their relationship.
commensalism
mutualism
parasitism
competition
5
1 pt
Name the species interaction: a mosquito feeds on human blood and transfers a disease.
competition
parasitism
predation
mutualism
6
1 pt
Name the species interaction: A decorator crab camouflages itself with sponges, sponges are unaffected.
competition
predation
mutualism
commensalism
7
1 pt
Name the type of succession in which some soil is left over.
primary succession
secondary succession
8
1 pt
____________________is the first species to inhabit barren area.
climax species
endangered species
threatened species
pioneer species
9
1 pt
According to the competitive exclusion principle, two species cannot continue to occupy the same
habitat
niche
territory
community
10
1 pt
Resource partitioning is best described by which statement?
Competitive exclusion results in the success of the superior species.
Slight variation in niche allows closely related species to coexist.
Two species can coevolve and share the same niche.
Species diversity is maintained by switching between prey species.
11
1 pt
Character displacement has occurred if:
Two species in the same habitat evolve to be more different than if they are in different habitats.
One species chases the other out of the habitat they previously shared.
A characteristic is lost when an organims migrates into a new area.
A characteristic lost by one species is adopted by another.
12
1 pt
Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction?
mutualism
commensalism
parasitism
competition
13
1 pt
Primary succession would occur in an area when:
Volcanic eruptions result in a surface of hardened lava.
Fire wipes out all organisms in an area.
A flood occurs.
A forest is bulldozed by humans.
14
1 pt
When a predator population increases what happens to the prey population?
Increase
Decrease
Dies
Stays the same
15
1 pt
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
Population
Community
Ecosystem
Biosphere
16
1 pt
A cuckoo bird laying eggs in a warbler nest to trick the warbler into raising the offspring is an example of _____.
parasitism
commensalism
mutalism
17
1 pt
Name that interaction: When you eat a piece of celery.
Herbivory
Mutualism
Parasitism
Competition
18
1 pt
This species is often the first to suffer when the environmental conditions begin to decline and they also help keep the community stable
Pioneer Species
Indicator Species
Exotic Species
Keystone Species
19
1 pt
This species has no natural predators because it evolved in a different region than it currently lives in.
Keystone Species
Indicator Species
Invasive Species
Pioneer Species
20
1 pt
This outcome of competition often leads to the extinction of one of the competing species
Competitive Exclusion
Character Displacement
Resource Partioning
Coevolution
21
1 pt
The Zebra Mussel and the native mussel have this type of species interaction.
Competitive Exclusion
Character Displacement
Resource Partioning
Coevolution
22
1 pt
The Newt and the Garder Snake has this type of species interaction.
Competative Exclusion
Character Displacement
Resource Partioning
Coevolution
23
1 pt
The Galapogoes Finches show this type of species interaction.
Competative Exclusion
Character Displacement
Resource Partioning
Coevolution
24
1 pt
Multiple species of birds that have the same resource they have divided by specializing in certain ways.
Competative Exclusion
Character Displacement
Resource Partioning
Coevolution
25
1 pt
The lab; "The Lynx and the Hare" showed ??
Density-dependent limiting factor
Density-independent limiting factor
26
1 pt
What does this equation represent? 6CO2 + 6H2O = C6H12O6 +6O2
Photosynthesis
Cellular Respiration
27
1 pt
What does this equation represent? 6O2 + C6H12O6 = 6CO2 +6H2O + Energy
Photosynthesis
Cellular Respiration
28
1 pt
Organisms that consume detritis is called?
Detritivores
Decomposers
Omnivores
Herbivores
29
1 pt
If you have 2156 J of energy at the producer trophic level then how much energy does the 1st Level Consumer have available to them?
215.6 J
21.56 J
2.156 J
.2156 J
30
1 pt
Why does only 10% of the energy from the producers reach the consumers?
Plants don't produce that much energy.
Heat is given off by the organisms life functions and is released into the atmosphere.
Consumers don't need any energy from the producers
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