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- 1. Multiple Choice
Which terms best describe heterotrophs?
Plants; producers
Plants; consumers
Animals; producers
Animals; consumers
- 2. Multiple Choice
Which terms best describe autotrophs?
Plants; producers
Plants; consumers
Animals; producers
Animals; consumers
- 3. Multiple Choice
Organisms that cannot make their own food and must obtain energy from external sources are called
autotrophs
heterotrophs
thylakoids
plants
- 4. Multiple Choice
The level of organization where biotic and abiotic factors interact with one another is the? (OPCE)
Organism
Can reproduce quickly as only ONE parent is required.
Ecosystem
Population
- 5. Multiple Choice
A tick and a dog have this type of relationship.
mutualism
neutralism
commensalism
parasitism
- 6. Multiple Choice
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
mutualism
commensalism
competition
parasitism
- 7. Multiple Choice
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
commensalism
neutralism
mutualism
competition
- 8. Multiple Choice
A relationship between two organisms in which one organism benefits and the other is harmed.
Mutualism
Parasitsm
Competition
Commensalism
- 9. Multiple Choice
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
mutualism
competition
commensalism
parasitism
- 10. Multiple Choice
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
commensalism
parasitism
mutualism
predation
- 11. Multiple Choice
When a mosquito bites you, you are the __________ and the mosquito is the ____________.
host, hostess
host, parasite
parasite, host
prey, predator
- 12. Multiple Choice
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.
parasitism
mutualism
commensalism
neutralism
- 13. Multiple Choice
The food web supports which statement?
Organisms are independent from one another.
Matter cannot move from one organism to
another.
Each organism has its own, unique food source.
Matter can be recycled between organisms
and their environment.
- 14. Multiple Choice
Which group of organisms is missing from the food
web to the right?
carnivore
herbivore
decomposer
The sun
- 15. Multiple Choice
What are the organisms that break down dead stuff?
Producers
Consumers
Organisms
Decomposers
- 16. Multiple Choice
What's the role of consumers in a food chain?
Use sunlight to make food
Eat other species and keep them from overpopulating
Break down dead stuff
Add nutrients to the soil
- 17. Multiple Choice
Which of these organisms would receive energy from the snake?
Plant
Rabbit
Mouse
Hawk
- 18. Multiple Choice
Which is the smallest level of an ecosystem?
organism
community
population
ecosystem
- 19. Multiple Choice
a system of food chains that shows the transfer of energy is termed
predator
food web
food chain
prey
- 20. Multiple Choice
Representation of the feeding relationships & flow of energy in a food chain
food system
food assembly
food pyramid
food network
- 21. Multiple Choice
Amount of energy in a food pyramid transferred from one level to the next
0%
78%
10%
100%
- 22. Multiple Choice
If a disease strikes the snakes the rabbits will
decrease
increase
not be affected
- 23. Multiple Choice
What does a food web represent?
All connections of energy flow throughout all organisms in a habitat.
A single pathway or energy flow between organisms.
The specific ways that mutualism is carried out.
How carnivores get their food.
- 24. Multiple Choice
What is a trophic level?
Different levels of nutrients present within an organism.
Levels of ecosystems that the world is divided into.
Each level represented within a food chain or web.
The levels of sunlight an autotroph needs to survive.
- 25. Multiple Choice
An energy pyramid represents what?
How much sunlight is available for the ecosystem to
How much energy is needed to build a pyramid.
How much energy a particular organism needs.
The amount of energy available to the next 'feeder' in a food web.
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