Life On Earth Flashcards
(14 cards)
Species
Similar organisms capable of interbreeding to produce fertile offspring.
Similar organisms capable of interbreeding to produce fertile offspring
Food chain
A simple chain showing the feeding relationship between organisms in an ecosystem.
Food web
Interlinked food chains in an ecosystem
Photosynthesis
The chemical process that takes place in green plants where water combines with carbon dioxide to produce glucose using light.
Ecosystem
A term that refers to a physical environment, including the conditions there and the organisms that live there.
Autotroph
An organism that makes its own
Heterotroph
.
An organism that is unable to make its own food; consumes other organisms
Herbivore
.
An organism that only eats plants, grass, etc; a primary consumer
Carnivore
An organism that eats other animals; a secondary or tertiary consumer.
Decomposer
An organism that breaks down dead materials and waste products.
Excretion
The removal of waste products of cell reactions.
Combustion
Burning in oxygen/air.
Natural selection
.
A natural process resulting in the evolution of organisms best adapted to the environment
Mutation
A spontaneous change in the genetic code of a cell.
