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WorksheetsPrey Predator Relationships
Total questions: 12
Worksheet time: 11mins
Name
Class
Date
1.
Which graph shows a situation in which the number of predatorss in a population depends on the number of prey?
a)
Graph F
b)
Graph G
c)
Graph H
d)
Graph J
2.
All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:
a)
The population of predators most often eliminates the population of prey
b)
A rise in the population of predators is followed by a decrease in the population of prey.
c)
A rise in the population of prey is often followed by a rise in the population of predators.
3.
In the aquatic food web below, which two organisms have a predator-prey relationship?
a)
Shad and sturgeons
b)
Sturgeons and blue crabs
c)
Blue crabs and rangia clams
d)
Phytoplankton and amphipods
4.
Which of the following describes a predator/prey relationship in a marine environment?
a)
Phytoplankton in the sea make food from sunlight.
b)
Sharks consume smaller fish they catch in the ocean.
c)
Frogs in a pond catch and eat flying insects.
d)
Fish of the same species compete for plants to eat.
5.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Biotic Factors
6.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
7.
Where do crickets get their energy?
a)
Cattails
b)
Marsh Grass
c)
Grasshoppers
d)
Shrews
8.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease dramatically.
c)
The willow tree population would decrease.
d)
Foxes would die because they would have no food source.
9.
What would be an INDIRECT result of removal of lynx and hawks from this ecosystem?
a)
Snowshoe hare population would increase
b)
Fox population would increase
c)
Shrew population would decrease
d)
Willow population would decrease
10.
This is an example of a:
a)
Nitrogen Cycle
b)
Water Cycle
c)
Biosphere
d)
Predator Prey Relationship
11.
What statement is TRUE about the graph?
a)
The prey is the green line because there needs to be more prey than predators.
b)
The prey is the red line because there needs to be more predators than prey.
c)
The green line is the producers
d)
The red line is the producers
12.
Predator population lags behind prey population because:
a)
Increase in predators leads to decrease in prey
b)
Increase in predators leads to increase in prey
c)
Increase in predators leads to decrease in producers
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