Set: Ecology Test

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All 16 Terms

Term Definition
Habitat The environment in which an organism lives; includes all living and nonliving things around it
Niche An organism's way of life in an ecosystem; includes its place in the food chain, its habitat, its food, the organisms that eat it, the organisms that interact with it in other ways, the amount of light and humidity it needs, and the physical condition in which it can survive
Ecosystem a community of organisms and their nonliving environment
Community All of the populations of different species that live and interact in an area
Population A group of individuals of the same species that live together in the same area at the same time
Organism any one living thing; anything that can independently carry out life's proceses
Consumers; Herbivores/Omnivores/Carnivores/Scavengers Consumers:Organisms that eat producers and other organisms for energy... Herbivores:Consumers that eat plants... Omnivores:consumers that eat plants and animals... Carnivores:consumers that eat animals... Scavengers:Consumers that feed on the body of dead animals
Decomposers ORganisms that get energy from the remains of dead organisms; nature's recyclers
Food chain a diagram that represents how the energy in food molecules flow from one organism to another... arrows point from producer to top consumer
Biotic/Abiotic Biotic:living and the products of living things/Abiotic:nonliving things
Food webs A complex diagram representing the many energy pathways in an ecosystem
Energy pyramid A diagram shaped like a pyramid that shows the loss of energy at each level of the pyramid... each level of the pyramid is called a feeding level or trophic level
Predators/prey Predators: animals that kill and eat other animals Prey: organisms eaten by predators
Commensalism Relationship between two species in which one benefits and the other is unaffected
Mutualism Relationship between two species in which both species benefit
Parasitism Relationship between two species in which one species benefits and the other is harmed

Set Information

Terms 16
Creator HenryMagician
Created October 14, 2007
Groups None
Tags ecology, science, animals, interaction
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  1. Ecosystem → a community of organisms and their nonliving environment - 1 miss
  2. Organism → any one living thing; anything that can independently carry out life's proceses - 1 miss
  3. Energy pyramid → A diagram shaped like a pyramid that shows the loss of energy at each level of the pyramid... each level of the pyramid is called a feeding level or trophic level - 1 miss