What is the primary role of predatorial species in an ecosystem?
Ecological Balance and Food Chains Quiz

Quiz
•
English
•
12th Grade
•
Hard
I S
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To increase the number of prey species
To create more food sources
To maintain ecological balance
To eliminate all herbivores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if there are more herbivores than plant food?
Herbivores will thrive indefinitely
They will eat all the vegetation
They will reproduce at a slower rate
They will migrate to other areas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which level of the trophic pyramid has the least biomass?
Tertiary Consumers
Secondary Consumers
Primary Consumers
Primary Producers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy in a food chain?
Decomposers
Plants and algae
Herbivores
Carnivores
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of tertiary consumers?
They have no natural predators
They are herbivores
They are at the top of the food chain
They primarily eat plants
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is biomass?
The amount of food available
The total energy in an ecosystem
The total mass of living matter
The number of species in a habitat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which animal is mentioned as being in danger of extinction due to human activity?
Small-spotted genet
Wolf
Geoffroy's cat
Cheetah
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