Name: Science Per. ____ Date: / / 1 ecosystem- 2 biotic factors- 3 abiotic factors- 4 habitat- 5 species- 6 niche- 7 producers- 8 consumers- 9 herbivore- 10 carnivore- 11 omnivore- Cycling of Matter and Flow of Energy Key Terms Name: Science Per. ____ Date: / / 12 scavenger- 13 decomposer- 14 food chain- 15 food web- 16 energy pyramid- 17 biome- 18 biomass-(ss) 19 compost bin-(pp) 20 autotroph-(pp) 21 heterotroph-(ss) 22 trophic level-(pp) 23 radiant-(pp) Cycling of Matter and Flow of Energy Key Terms Name: Science Per. ____ Date: / / Cycling of Matter and Flow of Energy Key Terms 24 predator- 25 evaporation-(ss) 26 denitrification-(pp) 27 matter-(ss) 28 condensation-(ss) 29 transpiration- (pp) 30 nitrogen fixing bacteria-(ss) 31 prey- 32 precipitation-(ss) Name: Science Per. ____ Date: / / Cycling of Matter and Flow of Energy Key Terms 1 ecosystem- (book G) All the living and nonliving things that interact in an area. 2 biotic factors-(book G) a living part of an ecosystem 3 abiotic factors-(book G) a nonliving part of an ecosystem 4 habitat-(book G) the place where an organism lives and that provides the things the organism needs 5 species-(book G) a group of similar organisms whose members can mate with one another and produce fertile offspring 6 niche-(book G) an organism’s particular role in an ecosystem, or how it makes its living 7 producers-(book G) an organism that can make its own food 8 consumers-(book G) an organism that obtains energy by feeding on other organisms 9 herbivore-(book G) an animal that eats only plants 10 carnivore-(book G) an animal that eats only other animals 11 omnivore-(book G) an animal that eats both plants and animals. 12 scavenger-(book G) a carnivore that feeds on the bodies of dead organisms 13 decomposer-(book G) an organism that breaks down large molecules from dead organisms into small molecules and returns important materials to the environment 14 food chain-(book G) a series of events in which one organism eats another and obtains energy 15 food web-(book G) the pattern of overlapping food chains in an ecosystem Name: Science Per. ____ Date: / / Cycling of Matter and Flow of Energy Key Terms 16 energy pyramid-(book G) a diagram that shows the amount of energy that moves from one feeding level to another in a food web 17 biome-(book) a group of ecosystems with similar climates and organisms 18 biomass-(ss) matter formed by plants or animals that is used as a fuel, such as wood or dung. 19 compost bin-(ss338) it made up of discarded fruit and vegetable material, yard waste, and other plant materials 20 autotroph-(powerpoint) primary producers 21 heterotroph-(ss) an organism that obtains the energy it needs by feeding on other organisms 22 trophic level- (pp) the position an organisms occupies in a food chain 23 radiant energy-(pp) light energy that travels in waves and supplies the earth with almost all of our energy. 24 predator-(book) a carnivore that hunts and kills other animals for food and that has adaptations that help it capture the animals it preys upon 25 evaporation-(ss) is the process in which liquid water changes into invisible water vapor. 26 denitrification-(pp) is the process where nitrogen compounds are turned back into atmospheric nitrogen. 27 matter-(ss) anything that has mass and takes up space 28 condensation-(ss) is the process in which water vapor changes into liquid water. Name: Science Per. ____ Date: / / Cycling of Matter and Flow of Energy Key Terms 29 nitrogen fixing bacteria-(pp) are bacteria that take atmospheric nitrogen and change it into useful nitrogen compounds that plant and animals can use. 30 transpiration-(ss) water vapor is released to the air from the leaves of plants. 31 prey-(book) an animal that a predator feeds upon 32 precipitation-(ss) occurs when water or a form of ice falls from the atmosphere to Earth’s surface.