1) The biosphere is... a) A round object that is living b) A living thing that goes around the Earth c) A place on Earth that has organisms d) A ball that has organs 2) One of these is not an environmental factor. Choose the odd one out. a) Edaphic factors b) Climatic c) Biotic d) Abiotic e) Birocratic 3) An example of a producer would be... a) A daisy b) A dog c) A caterpillar d) A spider e) Bacteria 4) An example of a primary consumer would be... a) A lion b) A piranha c) An eagle d) A rabbit e) A sunflower f) An oak tree 5) Producers are in the first trophic level a) True b) False 6) Secondary consumers are in the 2nd trophic level. a) True b) False; they are in the 3rd level c) False; they are in the first level d) False; they are in the 4th level 7) This is an incorrect food chain: daisy -> hawk -> rabbit. Choose the correct statement a) The dandelion should be at the top of the food chain b) The rabbit is below the hawk in the food chain c) The hawk should be at the bottom in the food chain 8) In a pyramid of numbers, there are more trees than deer. a) True b) False 9) Animals of the same species tend to have the same niches.  a) True b) False 10) The two nutrient cycles we learn about is called the carbon and the fluorine cycle a) True b) False 11) There are 4 types of bacteria involved in the nitrogen cycle a) True b) False 12) Which chemical did we learn about that depletes ozone? a) UFC b) KFC c) FCFC d) chloroforkcorko e) CFC 13) Is it a good idea to get rid of all the rats and mice in the world? a) Yes; they are really weird b) No; we need them to maintain and balance the food chains 14) Eutrophication is when... a) you add newts to a pond b) when you add nutrients into a body of water c) you treat a sewage system

Ecology Revision

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