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- 1. Multiple Choice
Which animal is the apex predator?hawklizardsnakegrass - 2. Multiple ChoiceWhich animal is not the apex predator but, a predator to a mouse?hawkrabbitsnakegrass
- 3. Multiple Choice
In an energy pyramid, how much of the energy in each level gets passed to the next level above it?
80%
90%
10%
20%
- 4. Multiple ChoiceWhich of the following is a herbivore?cricketfroghawkshrew
- 5. Multiple Choice
An organism that obtains energy by eating other organisms.
Consumer
Producer
Decomposer
Detritivore
- 6. Multiple Choice
What is a keystone species?
A species that helps to hold an ecosystem together
A species that lives in or around rocks
All animals are keystone since all animals are important to an ecosystem
Animals that keep other population numbers normal
- 7. Multiple ChoiceUse the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?PopulationResourcesCommunityCompetition - 8. Multiple Choice
When wolves were absent from the Yellowstone food web, what type of trophic cascade did their absence cause?
top-down
bottom-up
neither
- 9. Multiple ChoiceBacteria, fungi, and earthworms are examples of:scavengerspredatorspreydecomposers
- 10. Multiple ChoiceIf the grasshopper were to be removed completely from the food web, what organism would be most effected?The squirrelThe shrewThe deerThe rabbit
- 11. Multiple ChoiceWhich organism recieves the least amount of energy from the producer?OwlGrasshopperLilypadMouse
- 12. Multiple Choice
Which animal is the apex predator in this food web?
Baleen whale
Elephant Seal
Other toothed whales / orcas
Penguins
- 13. Multiple Choice
Which animal is the keystone species in this food web?
Krill
Squid
Leopard seas
Sperm Whales
- 14. Multiple Choice
If producers in this food web have 2,000kCal of energy, how much of that would end up going to the herring (secondary consumers)?
200 kCal
20 kCal
2 kCal
0.2KCal
- 15. Multiple Choice
Which of the animals in this food web is an omnivore? (choose 2)
Raven
Snowshoe Hare
Bison
Grizzly Bear
- 16. Multiple Choice
If a drought were to occur in this ecosystem, what type of trophic cascade would it cause?
top-down
bottom-up
- Answer choicesTagsAnswer choicesTags