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29 Cards in this Set

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metabolism
The process by which a living organism takes energy from its surroundings and uses it to sustain itself, develop, and grow.
photosynthesis
The process by which a plant uses the energy of sunlight and certain chemicals to produce its own food and often oxygen.
herbivores
organisms that eat plants exclusively
carnivores
organisms that eat only organisms other than plants
omnivores
organisms that eat both plants and other organisms
producers
organisms that produce their own food
consumers
organisms that eat living producers and/or other consumers for food
decomposers
organisms that break down the dead remains of other organisms
autotrophs
organisms that are able to make their own food
heterotrophs
organisms that depend on others organisms for their food
receptors
special structures or chemicals that allow living organisms to sense the conditions of their surroundings.
asexual repoduction
reproduction accomplished by a single organism.
sexual reproduction
reproduction that requires tow organisms, a male and female
inheritance
the process by which physical and biological characteristics are transmitted from the parent or parents to the offspring
mutation
an abrupt and marked difference between offspring and parent
hypothesis
an educated guess that attempts to explain an observation or answer a question
theory
a hypothesis that has been tested with a significant amount of data.
scientific law
a theory that has been tested and is consistent with generations of data
microorganism
living organisms that are too small to see with the naked eye
abiogenesis
the theory that, long ago, very simple life forms spontaneously appeared through random chemical reactions.
prokaryotic cell
a cell that has no distinct, membrane-bound organelles
eukaryotic cell
a cell with distinct, membrane bound organelles
species
a unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units
binomial nomenclature
naming an organism with its genus and species name
taxonomy
the science of classifying organisms.
autotroph
an organism that is able to make its own food
Anabolism:
The sum total of all processes in an organism which use energy and dimple chemical building blocks to produce large chemicals and structures necessary for life.
Catabolism:
The sum total of all processes in an organism which break down chemicals to produce energy and simple chemical building blocks.
Spontaneous Generation
: The idea that organism could spawn spontaneously from organic material.