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Abiotic Factor Any nonliving part of the environment, such as water, sunlight, temperature, and air.
Biosphere Part of Earth that supports life - the top part of Earth's crust, all the waters covering Earth's surface, and the surrounding atmosphere; includes all biomes, ecosystems, communities, and populations.
Biotic Factor Any living or once-living organism in the environment.
Community All of the populations of different species in a given area that interact in some way and depend on one another for food, shelter, and other needs.
Ecology Study of all the interactions among organisms and their environments.
Ecosystem All of the communities in a given area and the abiotic factors that affect them.
Population All of the individuals of one species that live in the same space at the same time.
Habitat Place where an organism lives.
Limiting Factor Any biotic or abiotic factor that limits the number of individuals in a population.
Niche Role of an organism in the ecosystem, including what it eats, how it interacts with other organisms, and how it gets food.
Population Density Number of individuals in a population that occupies an area of limited size.
Symbiosis Any close interaction among 2 or more different species, including mutualism, commensalism, and parasitism.
Food Chain Model that describes how energy passes from one organism to another.
Food Web Model that describes how energy from food moves through a community; a series of over lapping food chains.
Water Cycle Continuous recycling of water molecules on Earth that are recycled through this process using evaporation, condensation, and precipitation.
Created by: Jordan_Pentland