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| What does it mean to be alive? |
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Definition
| Organisms share the characteristics of energy, cells, information processing, replication, and evolution |
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| The cell theory states that all organisms are made of cells, and all cells come from preexisting cells. |
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| a testable statement to explain a phenomenon or a set of observations |
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| a change in the characteristics of a population over time |
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| individuals within a population that pass heritable traits to offspring that make them more better suited to face their environment |
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| the ability of an individual to produce viable offspring |
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| a trait that increases the fitness of an individual in a particular invironment |
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| natural selection has caused populations of one species to diverge and form new species |
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| a family tree of all organisms and all species trace their ancestry back to a single common ancestor |
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| ribonucleotides- a sequence that is the coded to created all organisms and show their similarities and differences |
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Term
| What are the 3 fundamental groups or lineage of organisms? |
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Definition
| 1) Bacteria 2) Archaea 3) Eukarya |
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Definition
| cells have a prominent component called the nucleus |
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| cells that lack a nucleus (bacteria and archael cells) |
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Definition
| the effort to name and classify organisms |
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| Bacteria, Archaea, and Eukarya |
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| Developed by Carolus Linnaeus for naming species. Genus is the 1st part and Species is the 2nd part of the name. Always italicized. |
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Term
| What are the 2 theories of why giraffes have long necks? |
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Definition
1) Food competition hypothesis states they can reach higher food in times of droughts.
2) Sexual Competition hypothesis states their long necks make them better fighters for females. |
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Term
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Definition
| specifies what should be observed when the hypothesis being tested isn't correct |
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