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Science exam vocab
Science exam vocab
22
Science
6th Grade
02/22/2016

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Term
Consumer
Definition
An organism that cannot produce its own food
Term
Carnivore
Definition
Organisms that eat meat/other organisms/other animals
Term
producer
Definition
organisms that produce their own food
Term
omnivore
Definition
animals/organisms that eat both plants and other animals
Term
decomposer
Definition
Any organism that feeds off decomposing organic material, especially bacterium or fungi.
Term
herbivore
Definition
an organism that eats only plants
Term
food chain
Definition
The feeding relationships between species in a biotic community.
Term
photosynthesis
Definition
The process by which plants and other photoautotrophs generate carbohydrates and oxygen from carbon dioxide, water, and light energy in chloroplasts.
Term
respiration
Definition
The process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
Term
food pyramid
Definition
A pyramid shaped diagram in layers, where each layer represents a group of animals that feeds on the layer below.
Term
community
Definition
A group of interdependent organisms inhabiting the same region and interacting with each other.
Term
ecosystem
Definition
A system formed by an ecological community and its environment that functions as a unit.
Term
population
Definition
A collection of organisms of a particular species most often that of living in a given area
Term
habitat
Definition
A specific place or natural conditions in which an organism lives
Term
species
Definition
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
Term
system
Definition
A group of related natural objects or forces within a defined zone
Term
mutualism
Definition
A symbiotic relationship between individuals of different species in which both individuals benefit from the association.
Term
commensalism
Definition
a type of relationship between two species of a organism in which one lives with, on, or in another without damage to either
Term
desert
Definition
a hot and sizzling treeless area
Term
tundra
Definition
a cold arctic desert that is less colder than the arctic
Term
deciduous forest
Definition
a type of forest characterized by trees that seasonally shed their leaves
Term
tropical rain forest
Definition
usually of tall, densely growing, broad-leaved evergreen trees in an area of high annual rainfall
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