1) The place where an organism lives a) Habitat b) Population c) Community d) Ecosystem 2) All the organisms of one species in a habitat a) Habitat b) Population c) Community d) Ecosystem 3) The interaction of a community of organisms with the nonliving parts of the environment a) Habitat b) Population c) Community d) Ecosystem 4) All the populations of different species in a habitat a) Habitat b) Population c) Community d) Ecosystem 5) Which of these do plants not compete for? a) Light b) Water c) Space d) Food e) Mineral Ions 6) Which of these is not an abiotic factor? a) Light intensity b) Temperature c) Carbon dioxide level d) pH e) Disease f) Moisture level 7) Which of these is not a biotic factor? a) Mineral content b) Competition c) New predators d) Availability of food e) New pathogens 8) At the start of a food chain _______ make their own food using energy from the sun. a) Producers b) Primary consumers c) Secondary consumers d) Predators e) Herbivores 9) In food chains herbivores could also be called ___________ _____________. a) Photosynthetic producers b) Green plants c) Primary consumers d) Secondary consumers e) Top predators 10) _____________ is the variety of different species in an ecosystem. a) Population b) Ecosystem c) Biodiversity d) Community e) Environment f) Domain 11) Which of these is not a greenhouse gas? a) carbon dioxide b) sulfur dioxide c) methane

Ecosystems

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