Ch. 7 Notes Friday, Nov. 22
- 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) generation
B) family
C) animal
D) person
- 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 making their own food.
B) By eating plants.
C) By breaking down the remains of dead organisms.
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) harmed
B) helped
- 7. Hosts are _____________ in a symbiotic relationship.
A) harmed
B) helped
- 8. True or false. In the wild, animals never compete for anything.
A) True
B) False
- 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) commensalism
D) parastism
- 10. A useful adaptation for prey is the ability...
A) to look like a stick or rock.
B) live on land.
C) live in the water.
- 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) mutualism
B) annoyingism
C) commensalism
D) parastism
- 12. In the nitrogen cycle, where do animals get their nitrogen?
A) From plants
B) From the sun
C) From the moon
- 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) consumers
B) decomposers
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) decomposers
B) consumers
C) producers
- 16. An example of a body process adaptation is _____________.
A) webbed feet on a duck
B) hibernation
C) backbone on a human
- 17. An example of a structure adaptation is _____________.
A) webbed feet on a duck
B) bird building a nest
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 aunt and uncle's cabin in the woods.
B) At her mom and dad's in the city.
C) At her own house with her dog.
- 20. True or false. This entire chapter that we have been studying has been focusing on ecosystems.
A) True
B) False
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