Bio Ch1 Review
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30 terms
Terms | Definitions |
|---|---|
 biosphere | all environments on earth that support life |
| ecosystem | biotic and abiotic factors that interact in an area |
| community | organims inhabiting an ecosystem |
| population | a species in an area where they can reach to interbreed |
| organism | everything that is living |
| organ system | 10-12 systems in a human body |
| cell | smallest unit of life |
| organelle | nucleus, mitochondria... |
| molecule | bonded atoms |
| LIfe hierarchy initials smallest to largest | moctooopceb |
| heterotroph | uses organic material for its nutrition |
| species | organisms that can interbreed and produce viable, fertile young |
| autotroph | org. that can gain its nutrition from in organic means, ex: photosynthesis, chemosynthesis |
| producers | autotrophs that can photosynthesize and make food from inorganic means |
| consumers | herbivores, carnivores, or omnivores; take in oxygen and release co2 |
| decomposers | bacteria, fungi, small animals - break down wastes and dead organisms recycle material |
| prokaryotic cells | bacteria, no internal membranes nor nucleus |
| eukaryotic cells | plant, animal, fungi, protists, have internal membrane, DNA in a nucleus |
| DNA, order, regulation, growth and development, energy processing, reproduction, evolutionary adaptation, cells, response to stimulus | Characteristis of life (9) |
| Taxonomy | the naming and classifying of organisms |
| species, genus, family, order, class, phylum, kingdom | hierarchy of broader andn broader groups |
| bacteria | everday prokaryotes (one domain) |
| Archea | prokaryotes that live in harsh conditions (2nd domain) |
| eukarya | all of the eukaryotic organisms (3rd domain) |
| Natural Selection | Charles Darwin- organisms best adapted to their environment reprroduce more succdesfully to pass thes traits down to their offspring |
| discovery science | verifiable observations and measurements uses observation and inductive reasongin |
| hypothesis based science | seeking explanations for observations |
| theory | a broader explanation supported by a large body of evidence |
| Hypothesis | proposed explanation for a set of observations |
| controlled experiment | compares an experimental group with a control group |
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