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biology
chapter 1 study of life
| Question | Answer |
|---|---|
| population | individuals of the same species occupying a certain area |
| community | all of the species that interact within a certain area |
| ecosystem | all of the species and physical aspects of the same environment |
| biosphere | zone of air, land, water where living organisms are found |
| energy | capacity to do work (needed to maintain organization) |
| cells need energy to perform | metabolic functions |
| metabolism | all of the chemical reactions that occur in a cell |
| reproduction | the ability of an organism to make another organism |
| sexual | offspring is genetically different from parents |
| Asexual | offspring has same genes as parents |
| genes | units of information within an individual's dna |
| homeostatic | organisms maintain internal conditions constantly (staying the same) |
| species | a group of individuals that can successfully interbread and produce offspring |
| adaptation | traits that make an organism better suited to its environment |
| natural selection | the process of the environment favors individuals with certain features |
| evolution | change in the frequency of different traits in population over time |
| biologist assign organisms to one of the three domains | archaea, bacteria, eukarya |
| scientific name for species | binomial |
| genus name spelled | first and always capitalized (italics) |
| specific epithet name spelled | second and lower case (italics) |
| science | a systematic way of acquiring knowledge of the natural world |
| biology | the scientific study of life |
| scientific method | a logical approach to solving problems |
| scientific theroy | concept supported by a broad rang of observations, experiments, and data |
| technology | the application of knowledge for a practical purpose |
| cell theroy | all organisms are composed of cells |
| homeostatic theroy | the internal environment of organisms stays relatively constant |
| evolution theroy | all living things have a common ancestor and are adapted to a particular way of life |