- 1. True or false. The fennec, arctic, and gray foxes have different appearances because they have adapted to different environments
A) True
B) False
- 2. Adaptations occur when survival characteristics are passed on from one ___________ to another.
A) family
B) animal
C) person
D) generation
- 3. A species may become extinct if...
A) they have all of the food and resources they need.
B) species never become extinct.
C) they cannot adapt to changing conditions in its environment.
- 4. How do decomposers get their energy?
A) By breaking down the remains of dead organisms.
B) By making their own food.
C) By eating plants.
D) By eating animals that are living.
- 5. True or false. Food chains make up food webs.
A) False
B) True
- 6. Parasites are ______________ in a symbiotic relationship.
A) helped
B) harmed
- 7. Hosts are _____________ in a symbiotic relationship.
A) helped
B) harmed
- 8. True or false. In the wild, animals never compete for anything.
A) False
B) True
- 9. When barnacles live on the side of a whale, the barnacles do not harm or help the whale. This is an example of what kind of symbiotic relationship?
A) annoyingism
B) mutualism
C) parastism
D) commensalism
- 10. A useful adaptation for prey is the ability...
A) live in the water.
B) to look like a stick or rock.
C) live on land.
- 11. When a bee collects nectar from a plant and spreads pollen around, both the bee and the plant benefit. This is an example of what kind of symbiotic relationship?
A) commensalism
B) parastism
C) mutualism
D) annoyingism
- 12. In the nitrogen cycle, where do animals get their nitrogen?
A) From the moon
B) From plants
C) From the sun
- 13. True or false. Photosynthesis is an important part of the carbon cycle because it processes carbon dioxide into oxygen that animals can breathe.
A) False
B) True
- 14. What is the name of organisms such as plants that directly covert the energy of the Sun into food through photosynthesis.
A) decomposers
B) consumers
C) producers
- 15. What is the name of organisms such as animals that cannot make their own food from sunlight. They get their energy by eating other organisms, like berries, grasses, and other plants.
A) consumers
B) producers
C) decomposers
- 16. An example of a body process adaptation is _____________.
A) hibernation
B) backbone on a human
C) webbed feet on a duck
- 17. An example of a structure adaptation is _____________.
A) bird building a nest
B) webbed feet on a duck
C) hibernation
- 18. An example of a behavioral adaption is _________________.
A) birds migrating to warmer weather
B) hibernation
C) backbone on a human
- 19. Where does Mrs. Welser plan to spend her Thanksgiving?
A) At her mom and dad's in the city.
B) At her own house with her dog.
C) At her aunt and uncle's cabin in the woods.
- 20. True or false. This entire chapter that we have been studying has been focusing on ecosystems.
A) False
B) True
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