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Boidiversity Vocab
Words that I need to study for the test!!
34
Science
7th Grade
02/27/2012

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Term
Ecology
Definition
the study of relationships between different living organisms.
Term
Consumer
Definition
an organism that eats producers or other organisms for energy.
Term
Omnivore
Definition
an organism that eats producers and/or consumers for energy.
Term
Decomposer
Definition
an organism that gets its food by breaking down the remains of dead organisms or plants and consumes or absorbs the nutrients.
Term
Carnivore
Definition
an organism that eats other consumers.
Term
Prey
Definition
an animal that is eaten by another animal.
Term
Ecosystem
Definition
a community of organisms living in their environment.
Term
Adaptation
Definition
a structure or behavior that allows an organism to survive.
Term
Habitat
Definition
it is the natural environment in which an organism lives.
Term
Producer
Definition
transforms the energy from the sun to make food.
Term
Food Web
Definition
feeding connections (what eats what) in an ecological community.
Term
Decompose
Definition
process by which organic material is broken down into simpler forms of matter
Term
Biomass
Definition
organic matter that contains stored energy.
Term
Energy Pyramid
Definition
a pyramid that shows how much energy transfers to the next level in a food chain. Less energy is available at the top of the pyramid vs large amounts at the bottom.
Term
Food Chain
Definition
path of energy from one organism to another in an ecosystem.
Term
Herbivore
Definition
organisms that eat plants and plant products.
Term
Biodiversity
Definition
the number of different species of plants and animals in an area.
Term
Limiting Factor
Definition
a factor that limits the ability of a habitat to sustain a population.
Term
Carrying Capacity
Definition
the maximum population size of the species that the environment can keep alive.
Term
Predator
Definition
an animal that hunts and eats other animals.
Term
Primary consumer
Definition
organism that get their energy by feeding on producers.
Term
Secondary consumer
Definition
eats the animals that eat the plants.
Term
Compound
Definition
a bonded substance made of more than one element.
Term
Inorganic compound
Definition

a compound that does not contain organic compounds (Cardon, Oxygen, Hydrogen, Nitrogen, Phosphoruos, or sulfur.)

 

Term
Organic compound
Definition
a compound that contains organic carbon and other atoms usually oxygen, hydrogen, nitrogen, phosphorus and/or sulfur.
Term
Photosynthesis
Definition
a chemical reaction during which plants convert energy from the sun into chemical energy, the reactions convert carbon dioxide and water to sugar.
Term
Chloroplast
Definition
place in the leaf in which the process of photosynthesis takes place.
Term
Chlorophyll
Definition
pigment in the plant cell that absorbs sunlight and makes the plant leaves green.
Term
Radiant energy
Definition
energy from the sun that reaches earth as visible and ultraviolet light and infrared radiation (heat).
Term
Chemical energy
Definition
energy that is stored in a molecule.
Term
Sun
Definition
ball of hot gases that emit radiant energy toward the earth’s surface, some of this energy is in the form of light.
Term
Glucose
Definition
a molecule with stored chemical energy that was converted from radiant energy during the photosynthetic reaction.
Term
Energy
Definition
required by organisms to survive, and comes either from sun(plants) or other organisms(animals).
Term
Element
Definition
a pure substance composed of the same type of atoms throughout. IE: carbon, oxygen, hydrogen, nitrogen, sulfur, phosphorus.
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