1) A predator is an animal that eats another __________________ a) bite of food b) plant c) piece of cake d) animal 2) Based on the picture above, where do most of a plant's nutrients come from? a) sunlight b) atmosphere c) water d) soil 3) Producers a) use carbon dioxide and release oxygen b) include plants, algae, and phytoplankton c) make their own food d) all of the above 4) Which argument is supported by the data? a) Since the soil's weight changed very little but the plant's weight changed a lot, plants get their materials for growth from sources other than soil. b) Since the soil's weight changed very little but the plant's weight changed a lot, it proves that plants eat soil. 5) Name of the living things that are consumers. a) hawk, snake, rabbit, and mouse b) There are no consumers in this food web. c) the sun d) wildflower and grass 6) What does the rabbit eat? a) Rabbits don't eat anything b) wildflowers and grass c) the mouse d) the hawk 7) Name the living things that are producers in this web. a) There are no producers in this web. b) mouse and rabbit c) snake and hawk d) wildflower and grass 8) Which living things does the snake eat? a) wildflowers and grass b) hawk c) rabbit and mouse d) Snakes don't eat anything. 9) Which living things does the hawk eat? a) Hawks don't eat anything b) rabbit, mouse, and snake c) only the mouse d) wildflowers and grass 10) A system of living things and their environment is call a(n)_______ a) ecosystem b) photosynthesis c) energy d) Gringotts 11) What happens if a portion of the food chain is broken? a) Only producers are affected. b) Only consumers are affected. c) Only decomposers are affected. d) All organisms in the chain are affected. 12) ___________________________ are organisms such as plants, that make their own food. a) Consumers b) Leaping toadstools c) Decomposers d) Producers 13) Where did the nutrients in the compost come from? a) The materials in the compost bin used nutrients to make their own food. b) The materials in the compost bin decomposed and released their own nutrients. c) The materials in the bin made nutrients out of sunlight and water. d) The materials in the compost bin changed into living organisms that released nutrients. 14) ______  get energy by eating ONLY PLANTS. a) Herbivores b) Omnivores c) Picky eaters d) Carnivores 15) Can a living thing be in more than one food chain? a) Yes b) No 16) Why do all organisms need food? a) to play with b) to give them energy c) to help them feel full d) to make them look colorful 17) Which order correctly shows the flow of energy? a) caterpillar to sun to bird to plant b) bird to caterpillar to plant to sun c) sun to plant to caterpillar to bird d) sun to bird to caterpillar to plant 18) Organisms that get energy by eating ONLY OTHER ANIMALS are called ________________ a) omnivores b) herbivores c) carnivores d) salmonella 19) Most organisms eat more than one type of food. a) True b) False 20) A _________ animal is one that is eaten. a) prey b) camouflaged c) slow d) predator 21) An animal that eats BOTH PLANTS AND ANIMALS is a(n) a) voracious eater b) herbivore c) carnivore d) omnivore 22) Which of these is true about animals? a) Meat-eating animals could survive if there were no decomposers. b) All animals depend on both plants and animals. c) Meat-eating animals could survive if there were no plants d) Plant-eating animals could survive if there were no decomposers. 23) What is a food web? a) a complex network of food chains in an ecosystems b) a web created by a spider to trap its food c) an information system on the internet d) a nutritional diagram in the shape of a pyramid 24) What do we call organisms that eat other living things in order to get energy? a) gluttons b) producers c) decomposers d) consumers 25) If all of the wild cats were removed from the ecosystem, how would the other animals living in the grassland be affected? a) Owls would have to eat more mice for energy. b) Rabbits would have to find a new food source. c) Lions would have to eat more jackals or goats for energy. d) Snakes would have to find a new food source.

SCIENCE Review Unit 2 Ecosystems Quiz

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