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26 Cards in this Set

  • Front
  • Back
organism; contains one or more cells
species
interactions among parts in biological organization
emergent properties
the capacity for doing work
energy
make food from simple materials in the environments (i.e. plants)
producers
animals and decomposers; cannot make food; eat producers and other organisms
consumers
molecules and structures that detect stimuli specific to types of energy
receptors
balance within cells; defining feature of life
homeostasis
THE signature molecule of life
DNA (deoxyribonucleic acid)
a grouping of one or more species characterized by certain traits unique to them
genus
single cells; prokaryotic most ancient lineage; most metbolically diverse species
bacteria
single cells, prokaryotic, evolutionarily closer to eukaryotes
archaeans
simplest eukaryotic organisms; very diverse
protists
eukaryotic
cell contains a nucleus
prokaryotic
cell does not contain a nucleus
multi-celled eukaryotes; many are decomposers
fungi
multi-celled consumers that ingest tissues or juices of other organisms
animals
multi-celled, photosynthetic eukaryotes
plants
changes in DNA which offspring inherit from their parents. most have neutral or bad effects
mutations
the outcome of differences in survival and reproduction among individuals of a population that differ in the details of their heritable traits.
natural selection
heritable change is occurring in a line of descent
evolution
a testable explanation of an observed phenomenon or process
hypothesis
a statement of what you should find in nature if you were to go looking for it
prediction
making systematic observations, building models and conducting experiments
test
theoretical detailed descriptions or analogies that might help visualize an object or event that has not been seen or can not be directly observed
models
tests carried out under controlled conditions that researchers manipulate
experiments
a widely accepted intellectual framework used to interpret a broad range of observations and data about some aspect of nature
scientific theory