WorksheetsUnit 3 test reveiw
Total questions: 10
Worksheet time: 5mins
How does density affect the growth of a population?
The higher the density, the less competition for resources
The higher the density, the more competition for resources
What happens to an ecosystem when a population becomes overpopulated?
Organisms that rely on the same resources as the overpopulated organism will DECREASE.
Organisms that rely on the same resources as the overpopulated organism will INCREASE.
If producers were to increase in an ecosystem, how will that affect the other trophic levels?
Organisms in the other trophic levels will DECREASE.
Organisms in the other trophic levels will INCREASE.
If an organism in an ecosystem is using resources, what does that do for resource availability for other organisms?
The amount of resources available to other organisms in that ecosystem INCREASES.
The amount of resources available to other organisms in that ecosystem DECREASES.
What would happen if abiotic factors were removed from an ecosystem?
Producers would grow LESS making LESS oxygen for the animals in the ecosystem.
Producers would grow WORSE making LESS oxygen for the animals in the ecosystem.
Producers would grow LESS making WORSE oxygen for the animals in the ecosystem.
Producers would grow WORSE making WORSE oxygen for the animals in the ecosystem.
What best describes the niche of this organism?
Consumer
Producer
Predator
Scavenger
What would happen if two species lived in the same niche in a community for a very long time?
A. ) The two species would eat each other and die off.
B.) The two species would compete with each other for resources and eventually one would die off.
C.) The two species would reach equilibrium and be just fine.
D. ) The two species would have to move to a new ecosystem.
Which of the following would be a limiting factor for the producers in the ecosystem pictured below?
Water
Sunlight
Minerals
Soil
Which of the following is an example of mutualism?
Which definition best describes the relationship between a parasite and its host?
A symbiotic relationship where one species benefits and the other does not benefit nor is it harmed.
A symbiotic relationship where both species benefit.
A symbiotic relationship where one species benefits and the other is harmed.
A symbiotic relationship where one species is eaten by the other.
