What is a trophic cascade?

Wolves and Trophic Cascades

Quiz
•
Science
•
5th Grade
•
Hard
Chance Marsh-Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A trophic cascade is an ecological phenomenon where the removal or addition of a top predator affects the structure and population dynamics of the entire ecosystem.
A trophic cascade is a method of measuring soil quality.
A trophic cascade refers to the migration patterns of birds.
A trophic cascade is a type of plant growth.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which year were wolves reintroduced to Yellowstone?
1985
2000
1990
1995
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What animal population increased due to the absence of wolves?
Bears
Elk
Moose
Deer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long had wolves been absent from Yellowstone before 1995?
70 years
50 years
100 years
30 years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect did the deer population have on vegetation in Yellowstone?
The deer population caused a variety of new plant species to thrive.
The deer population had no impact on vegetation in Yellowstone.
The deer population caused a decline in vegetation due to overgrazing.
The deer population increased vegetation by promoting growth.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the classic example of a trophic cascade mentioned?
The reintroduction of wolves to Yellowstone National Park.
The decline of the American bison
The introduction of rabbits in Australia
The extinction of the passenger pigeon
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did the arrival of wolves affect the deer population?
Wolves had no impact on the deer population.
The arrival of wolves decreased the deer population.
The arrival of wolves increased the deer population.
Wolves only affected other animal species, not deer.
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