1) What is a population? a) A group of organisms of the same species in an area b) A group of different species in an area c) Any living thing found in the environment d) A group of people e) A group of similar organisms that can mate and reproduce f) Any non-living part of the environment 2) What is a community? a) A group of organisms of the same species in an area b) A group of people c) Any living thing found in the environment d) A group of populations of different species in an area e) A group of similar organisms that can mate and reproduce f) Any non-living part of the environment 3) What is a biotic element? a) A group of organisms of the same species in an area b) A group of people c) Any living thing found in the environment d) A group of populations of different species in an area e) A group of similar organisms that can mate and reproduce f) Any non-living part of the environment 4) What is an abiotic element? a) A group of organisms of the same species in an area b) A group of people c) Any living thing found in the environment d) A group of populations of different species in an area e) A group of similar organisms that can mate and reproduce f) Any non-living part of the environment 5) What is an ecosystem? a) A group of organisms of the same species in an area b) The interactions between living things and their environment c) Any living thing found in the environment d) All of the plants and animals in an area e) A group of similar organisms that can mate and reproduce f) Any non-living part of the environment 6) What are the basic needs of living things? a) Oxygen, soil, water, warm weather, sunlight b) Air, sunlight, water, soil, shelter c) A suitable habitat, air, water, food, sunlight d) A suitable habitat, air, water, soil, sunlight e) Air, a suitable habitat, water, food, soil f) A suitable habitat, air, water, food, soil 7) What is a habitat? a) An environment with warm temperatures b) An environment with a lot of water c) An environment with a lot of sunlight d) The environment where an organism lives e) An environment with many plants and animals f) An environment with a lot of nutrients 8) Which statement is correct? a) Animals obtain energy directly from the sun b) Plants obtain energy directly from the sun c) Plants obtain energy indirectly from the sun d) All animals obtain energy directly from plants e) Plants obtain energy directly from animals f) The sun obtains energy directly from plants 9) What is mutualism? a) Interactions where one species eat another b) When multiple organisms try to obtain the same resources c) When a population gets too low d) When a population increases in size e) Interactions between species that benefit both species f) Interactions between biotic and abiotic elements 10) What are producers? a) Organisms that eat other animals only b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 11) What are carnivores? a) Organisms that eat other animals only b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 12) What are consumers? a) Organisms that eat other living things for energy b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 13) What are omnivores? a) Organisms that eat other living things for energy b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 14) What are scavengers? a) Organisms that eat other living things for energy b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 15) What are decomposers? a) Organisms that eat other living things for energy b) Organisms that eat dead animals c) Organisms that only eat plants d) Organisms that make their own food e) Organisms that eat both plants and animals f) Organisms that consume and break down dead organisms 16) Choose the correct path that energy takes: a) Consumers to producers to sun b) Sun to producers to consumers c) Sun to consumers to producers  d) Consumers to sun to producers e) Producers to consumers to sun f) Producers to sun to consumers 17) Food Webs begin with... a) Consumers b) Producers c) Scavengers d) Decomposers e) Humans f) Spiders 18) Healthy ecosystems usually have... a) The same number of producers and consumers b) More consumers than producers c) More producers than consumers d) Only producers e) More secondary consumers than primary consumers f) More tertiary consumers than anything else 19) Healthy ecosystems... a) are closed systems b) are warm c) have extra carbon dioxide d) are sustainable e) have low temperatures 20) How is carbon dioxide released? a) When decomposers break down dead plants and animals b) When plants photosynthesize c) When there is precipitation d) When animals inhale 21) Which is an example of primary succession? a) New life in a habitat after a flood b) New life in a habitat after it was cleared for farming c) New life on land formed by a volcanic eruption d) New life in a habitat after a forest fire 22) Protecting forests from being logged is an example of a) Conservation b) Preservation c) Restoration d) Biodiversity e) Ecological footprints f) Consumption 23) Which is not an invasive species in Ontario? a) House sparrow b) Pigeons c) Zebra mussels d) Creeping dogwood e) Garlic mustard f) Purple loosestrife 24) Condensation is the change of state from a) a liquid to a gas b) a liquid to a solid c) a solid to a gas d) a solid to a liquid e) a gas to a liquid f) a gas to a solid

Interactions in the Environment

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