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Book E, Ch.1

RMS 6 Science

biosphere the part of the Earth that supports life, including the top portion of Earth's crust, the atmostphere, and all the water on Earth's surface
ecosystem all the living organisms that live in an area and the nonliving features of their environment
ecology the study of the interactions that take place among organisms and their environment.
population all the organisms that belong to the same species living in a community
community all the populations of different species that live in an ecosystem
habitat the place where an organism lives that provides the types of food, shelter, moisture, and temperature needed for survival
limiting factor anything that can restrict the size of a population including living and nonliving features of an ecosysten such as predators and drought
carrying capacity the largest number of individuals of a particular species that an ecosystem can support over time
biotic potential the highest rate of reproduction under ideal conditions (how many offspring would be produced if conditions were perfect)
producer an organism such as a green plant or algae, that uses an outside source of energy like the sun to create energy-rich food, beginning of a food chain
consumer an organism that cannot create energy-rich molecules but obtains its food by eating other organisms.
symbiosis any close relationship between species, including mutualism, commensalism,and parasitism
mutualism a type of symbiotic relationship in whitch both organisms benefit
commennsalism a type of symbiotic relationship in which one organism benefits and the other organism is not affected
parasitism a type of symbiotic relationship in which one organism benefits and the other organism is harmed
niche the unique ways an organism survives, obtains food and shelter, and avoids danger. the role and organism plays in its habatat
food chain a model of the feeding relationships among organisms in an ecosystem. It shows the transfer of energy from one organism to the next. Food webs are made up of all the food chains in an ecosystem.
predator a consumer that captures and eats other organisms
prey an organism that is captured and eaten by a predator
Created by: mrskarney