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5th Grade Science

Ecosystem Interactions

Ecosystem All the living and non-living things and all their interactions in an area.
Living Characterized by having a metabolism and the ability to maintain life processes.
Nonliving A part of the ecosystem that lacks the ability to grow, move, or respond to stimuli, and does not require energy to continue to exist, such as sunlight, air, water, rocks, and soil.
Organism An individual living thing that can react to stimuli, reproduce, grow, and maintain life processes.
Adaptation An inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage that it provides.
Producer An organism that uses sunlight to make its own food for energy.
Consumer An organism that gets energy by eating other organisms.
Carnivore An animal that gets energy by only eating other animals.
Herbivore An animal that gets energy by only eating plants.
Omnivore An animal that gets energy by eating both plants and animals.
Symbiotic A long-term relationship between two different kinds of organisms where one or both receive benefit.
Decomposer An organism that consumes dead or nonliving biomass without need for internal digestion.
Food chain The sequence of the transfer of food energy from one organism to another in an ecological community.
Food web The entirety of interrelated food chains in an ecological community.
Energy transfer The movement of energy from one item or species to another
Ecosystem All of the living and non-living things and all of their interactions in an area.
Biome A major ecological community of organisms adapted to a particular climatic or environmental condition on a large geographic area in which they occur.
Environment The complex of physical, chemical, and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival.
Habitat Place where an organism normally lives or occurs.
Scavenger An organism that mostly consumes decaying biomass, such as meat or rotting plant material.
Predator An animal that hunts and feeds upon other animals.
Prey An animal that is hunted and eaten by other animals
Hibernation A state of inactivity and slowed metabolic rates in animals
Migration The relatively long-distance movement of individuals, usually on a seasonal basis.
Camouflage An adaptation that allows animals to blend in with certain aspects of their environment increasing an organism's chance of survival.
limiting factor An environmental factor that tends to limit population size.
Abiotic factor Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
Biotic factor A living thing, as an animal or plant, that influences or affects an ecosystem:
Niche The role or function of an organism or species in an ecosystem.
Population Groups of individuals belonging to the same species that live in a shared region at the same time.
Community An interacting group of various species in a common location.
Created by: Bastrop