Ecology Practice Test.

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Presentation transcript:

Ecology Practice Test

Question #1 Which of the following are heterotrophs? Write in ALL that apply. a) bacteria b) mushrooms c) plants d) carbon dioxide and water

Question #2 If toxic soil leads to a lack of protein, which stage of the nitrogen cycle is not occurring? a) N2  NH3 b) NH3  NO3 c) NO3  N2

Question #3 Which organisms convert inorganic materials into organic materials? a) producers b) consumers c) decomposers d) all heterotrophs

Question #4 They convert nitrate into protein a) producers b) consumers c) decomposing bacteria d) non-decomposing bacteria

Question #5 There are 600 calories at the secondary consumer level. How many are at the producer level? a) 6 b) 60 c) 600 d) 6,000 e) 60,000

Question #6 Which type of population growth results when the births and immigration equal the deaths and emigration? a) exponential growth b) population crash c) logistic growth

Question #7 All organisms are a) heterotrophs b) producers c) inorganic d) organic e) none of the above

Question #8 The purpose of the carbon cycle is to make and recycle a) glucose b) oxygen c) protein d) inorganic materials e) none of the above

Question #9 What do the arrows in a food web represent?

Question #10 What do autotrophs provide heterotrophs with? Write in all possible answers. a) oxygen b) carbon dioxide c) proteins d) glucose

Question #11 Explain how the carbon cycle is involved in the greenhouse effect.

Answers Answers B 6. C B 7. D A 8. A A 9. Energy Flow E 10. A, C, D