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Life Science

Ecosystems, Food Webs/Chains

TermDefinition
Basic Needs The things an organism needs to survive such as; food, water, air, and shelter.
Community A group of organisms that live together in the same environment. A group of fish, frogs, dragonflies, water plants live together in a pond environment.
Competition A contest between organisms for food.
Drought A long period of time with little to no rain.
Ecosystem ALL living and non-living things in an environment.
Individual Organism Any living single (one) member of a population. One frog in a group of frogs.
Interdependent An organism that depends on each other for survival. For example, some vines depend on trees so that they can reach sunlight in a heavily wooded area.
Living Organism Something in the environment that grows, changes, eats, breathes, takes in carbon dioxide, produces waste, reproduces (has babies) or makes it's own food.
Non-Living Organism Something in the environment that does not eat, breathe or produce waste. Not living.
Population ALL members of a species living in the same environment
Relationship A connection between two or more things. For example, a living fish uses non-living water to live in...that is their connection.
Species Th smallest group of organisms of the same kind that are able to produce offspring (babies). There are many species of frogs.
Survive To stay alive
Bacteria A one cell organism with no nucleus that can make you sick, or heal you.
Carnivore An animal that eats other animals for food
Compost Dead and decaying plant matter. Gardeners save plant matter to put in their gardens to provide nutrients for growing plants.
Consumer An organism that receives energy by eating other organisms whether they be plant or animals.
Decomposer An organism that receives energy by breaking down dead matter, returning it nutrients (food) to the environment
Food Chain The transfer of energy from producers to consumers in order, starting from the SUN in an ecosystem
Food Web A system of overlapping connecting food chains in an ecosystem
Herbivore/Grazers A consumer that eats only plants. Grazers usually eat grass.
Nutrients A substance needed by an organism to grow and survive...food!
Omnivore An organism that eats both plants and animals
Producer An organism that makes it's own food. PLANTS only make their own food through a process called PHOTOSYNTHESIS.
Scavenger An animal that feeds on the remains of dead animals or garbage. Turkey Buzzards love road kill!
Human Impact The effect on humans in the environment. For example, pollution left by humans in the water can cause fish to die
Deforestation To cut down trees so that young trees can survive....usually done by the logging industry. It also helps prevent forest fires from occuring
Carbon/Oxygen Cycle The movement of Carbon Dioxide and Oxygen among plants, animals and non-living parts of the environment. Carbon Dioxide is breathed OUT by animals, and taken in by plants. Oxygen is released by plants and breathed IN by animals.
Structural Adaptation A structure or physical feature (like hooves, feathers or webbed feet) that help the organism survive in it's environment
Overpopulation A situation that causes the organism to become too great in number for the area they occupy
Behavioral Adaptation the action an organism takes to survive like like migrating to another location or hibernation
Inherited Trait A trait or characteristic passed from parent to offspring (baby) through genes
Learned Behavior A behavior that is taught or acquired through experience
Complete Metamorphosis The life cycle of an organism whose appearance changes at each of the four stages
Incomplete Metamorphosis The life cycle of an organism whose appearance does not change and has three stages
Nymph A stage of incomplete metamorphosis where the young insect resembles the adult
Reproduce To have offspring (babies)
Created by: teresagreer