Affiliate Marketing Secrets

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

1. what is an ecological niche ? give an ex?
2. describe six characteristics shared by all ecosystem?
3. how does energy move in ecosystem?
4. why doesn’t trash decompose in a modern landfill?
5. what is the ozone layer ? where is it located? why is it important to life on earth?
6. what is the ozone hole? how hav government responded to the discovery of the ozone hole?
7.why is ozone in the stratosphere considered beneficial whereas ozone at ground level is not?
8.what is acid rain? what steps would have to be taken to solve the acid rain problem?
9. why is the greenhouse effect a current areas of scientific concern when the earth has had carbon dioxide ,methane, and water vapor for several billion years?

1. An organism’s ______ is the role it has in its habitat
A. niche
B. survival
C. succession
D. mutualism
2. The changes in an abandoned field over time are known as _____
A. weathering
B. succession
C. climax
D. homeostasis
3. ____ use the sun’s energy to make complex organic compounds
A. Consumers
B. Producers
C. Decomposers
D. Predators
4._____ are organism’s that break down organic wastes.
A. Consumers
B. Producers
C. Decomposers
D. Predators
5. Large populations of producers are needed to support a small population of
A. scavengers
B. parasites
C. decomposers
D. consumers
6. Which one of the following is an example of a second-order consumer?
A. deer
B. rabbit
C. fox
D. grasshopper
7. Animals that are fed upon by predators are called
A. game
B. mimics
C. populations
D. prey
8. Consumers that feed on dead organisms are
A. parasites
B. scavengers
C. predators
D. pathogens
9. _______ is an association between different species of organisms that is beneficial to both
A. Parasitism
B. Consumerism
C. Mitosis
D. Mutualism
10. A walking stick insect can be mistaken for a twig. This adaptation is
A. competition
B. mimicry
C. strategy
D. limitation
11. Which of the following is a physical factor in an ecosystem?
A. Community
B. water
C. plant
D. bacteria
12. The nitrogen cycle is important because all organisms need nitrogen
A. in the air
B. for photosynthesis
C. to produce ammonia
D. to make proteins
13. Some kangaroos in Australia graze on low-growing plants. Reindeer in the far north also eat low-growing plants. This shows that both have similar
A. niches
B. biomes
C. succession
D. habitats
14. Continued succession in a community will result in
A. natural selection
B. a forest
C. a new ecosystem
D. a stable community

so, i need to know what the pygmy hippo’s niche is… (what its role is in their ecosystem)
does anyone knowww??

so, i need to know what the pygmy hippo’s niche is… (what its role is in their ecosystem)
does anyone knowww??

so, i need to know what the pygmy hippo’s niche is… (what its role is in their ecosystem)
does anyone knowww??