1) Herbivores are which of the following? a) producers b) secondary consumers c) biome d) primary consumers 2) Which of the following provide most of the energy in ecosystems? a) keystone species b) carnivores c) generalists d) producers 3) Which two processes in the carbon cycle are also parts of the oxygen cycle? a) combustion and respiration b) photosynthesis and decay c) combustion and decay d) photosynthesis and respiration 4) Which process is part of the hydrologic cycle? a) nitrification b) transpiration c) decomposition d) sedimentation 5) Which of the following can be both primary and secondary consumers? a) herbivores b) carnivores c) omnivores d) detritivores 6) A group of organisms of the same species that live in the same area is called a(n) a) community b) population c) biome d) ecosystem 7) Which of these would probably lead to a decrease in global warming? a) an increase in the amount of carbon dioxide in the atmosphere b) an increase in the amount of water vapor in the atmosphere c) a decrease in the amount of oxygen in the atmosphere d) a decrease in the amount of methane in the atmosphere 8) How much energy is lost in each level of a energy pyramid? a) 10% b) 80% c) 90% d) 100% 9) Which organism has the most energy available? a) Trophic level 3 b) Trophic level 4 c) Trophic level 1 d) Trophic level 2 10) What is another name for an organisms that makes it's own food? a) Heterotroph b) Autotroph c) consumer d) primary consumer 11) If the producers have 2,000kcal of energy. How much energy is at the secondary consumer level? a) 2,000kcal b) 200 kcal c) 20kcal d) 2 kcal

Ecology

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