1. An example of a consumer is a _____
a. fern c. tree
b. grass d. rabbit
2. Photosynthesis, respiration and burning of fuels are all directly involved in the _____
a. water cycle c. carbon-oxygen cycle
b. nitrogen cycle d. phosphorus cycle
3. Materials that are recycled in the ecosystem include all the following except _____
a. nitrogen c. energy
b. oxygen d. carbon
4. In a food chain, herbivores are known as _____
a. secondary consumers c. producers
b. primary consumers d. carnivores
5. Fossil fuels are responsible for most _____
a. water pollution c. air pollution
b. soil pollution d. land pollution
6. Air pollution is caused by the following except _____
a. carbon dioxide c. nitrogen oxide
b. oxygen d. sulfur dioxide
7. Trapping of _____ causes the greenhouse effect
a. carbon dioxide c. nitrogen oxide
b. oxygen d. sulfur dioxide
8. In an ecosystem, _____ get the most energy
a. omnivores c. producers
b. decomposers d. herbivores
9. All are abiotic factors except _____
a. animals c. soil
b. sunlight d. air
10. A coral reef and a rainforest are examples of _____
a. niche c. community
b. habitat d. ecosystem
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Science Help? Homework!?
Posted on December 8, 2011.
can’t u just look it up online?!?! u won’t learn anything but
d. c. c. b. c. b. a. c. a. b.
i think those are all right i’m pretty good at science but i learned this stuff yrs ago
Take this list of questions and look up the key phrases from both the questions and the possible answers. Use the glossary in the back of your book. Write them down. This helps you to learn the
chapter’s vocabulary.
In your current chapter, those same words are often in bold print or highlighted.
5. c
6. oxygen
1. D
2. Carbon- Oxygen cycle
3. C
4. A
5. C
6. B
7. A
8. A
9. C
10. D
Do your own damn homework next time!!
P.S. I probably got half of them wrong…or all of them 😛
Pay attention in class, duh