[kssisson]

1. What do decomposers do?

a. eat producers
b. eat consumers
c. make food
d. break down dead organisms Answer... D?


2. Which of the following do organisms compete for?

a. niches
b. trophic levels
c. resources
d. consumers answer... C?


3. Which of the following is released into the atmosphere by the burning of fossil fuels?

a. carbon dioxide
b. oxygen
c. phosphorus Answer... A?
d. calcium


4. A __________ is an organism that captures and eats another organism.

a. decomposer
b. producer
c. prey
d. predator Anbswer... D?


5. Which of the following is not an intermediate step in the cycling of nitrogen?

a. amino acids
b. nitrites
c. lightning
d. ammonia Answer... C?


6. Abiotic factors are __________ in the environment.

a. living factors
b. plants
c. nonliving factors answer... C?
d. animals


7. What is a population?

a. a community of organisms in an ecosystem
b. a group of the same species living in an area
c. the place where organisms live answer... A?
d. the role organisms play in their environment


8. The process by which plants make food is called

a. transpiration
b. respiration
c. commensalism answer... D?
d. photosynthesis


9. What is considered a successful parasite?

a. one that benefits its host
b. one that does not kill its host
c. one that has no effect on its host
d. one that does kill its host answer... D?


10. Which of the following organisms eats both plants and animals?

a. carnivore
b. herbivore
c. insectivore
d. omnivore answer... B?


11. On a trophic pyramid, what level do secondary consumers belong?

a. first
b. second
c. third answer... C?
d. fourth


12. Populations of maple trees, wood frogs, and morel mushrooms might compose a

a. community
b. niche answer... C?
c. habitat
d. trophic


13. What is symbiosis?

a. a relationship between species
b. the number of species in a community
c. the amount of food available to an organism
d. the cycling of nutrients within an ecosystem Honestly don't know


14. What is ecology?

a. the study of living things
b. the study of relationships between living things and environment
c. the study of animals
d. the study of plants answer... B?


15. On what cycle do all the other cycles depend?

a. carbon
b. water
c. phosphorus
d. nitrogen answer... B?


16. Which of the following is a category of symbiosis?

a. mutualism
b. commensalism answer... D?
c. parasitism
d. all of the above


17. The portion of Earth that contains everything necessary to sustain life is called the

a. biosphere
b. atmosphere
c. hydrosphere answer... B?
d. lithosphere


18. Which of the following is not a place where pioneer species begin growing?

a. land beneath melted glacier
b. new volcanic islands answer... B?
c. newly exposed coral reef
d. burned out forest

19. Primary succession occurs on

a. burned out forests
b. logged forests
c. volcanic land answer... C?
d. plowed fields


20. In 1989, there was a large forest fire in Yellowstone National Park. What is now happening in the park?

a. primary succession
b. pioneer species
c. climax community answer... D?
d. secondary succession


21. The final stage of succession is called

a. primary community
b. secondary community
c. climax community answer... B?
d. biotic community


22. An area's return to a stable condition after being disturbed is called

a. primary succession
b. secondary succession answer... A?
c. limiting factors
d. abiotic factors


23. The scientific name for rain falling to the Earth is called

a. evaporation
b. precipitation
c. condensation
d. succession answer... B?



24. What is the primary source of all energy on planet Earth?

a. producers
b. nuclear
c. sun answer... B?
d. volcanoes


25. Another name for a primary consumer could be a(n)

a. producer
b. omnivore
c. herbivore
d. decomposer answer,, A?


26. The lawn of a golf course is an example of a(n)

a. producer
b. primary consumer
c. herbivore
d. abiotic factor answer... B?


27. A teacher sitting at her desk could be considered an example of a(n)

a. producer
b. consumer
c. decomposer Answer... A?
d. autotroph


28. Green plants produce their own food through the process of

a. respiration
b. photosynthesis
c. decomposition Answer... B?
d. fixation


29. A primary consumer would obtain food by eating a(n)

a. producer
b. herbivore
c. carnivore answer... A?
d. omnivore


30. An organism's role in its environment is called its

a. habitat
b. ecosystem
c. niche Answer... A?
d. food chain


31. A slug eating the leaves of your mother's prize winning roses is an example of a

a. parasitic relationship
b. predator hunting its prey answer... D?
c. decomposer recycling nutrients
d. consumer feeding on a producer


32. If all of the herbivores in a forest suddenly died, which group of organisms would most likely be the next group to die?

a. carnivores Answer... B?
b. producers
c. omnivores
d. decomposer

If you opened the last thing I had posted I put the answers that I thought I would appreciate if someone would go through and make corrections

Thanks

Sarah

[J_9]

Please give us your answers and we will tell you if you are right or wrong. Understand that we cannot do it for you, but we are willing to help.

[Skrypt]

His answers are the letters in question marks.

[lilmisscook]

OK kk