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Bio Evolution Terms
| Term | Definition |
|---|---|
| Antibiotic Resistance | when bateria change in response to the use of these medicines and protect itself from antibiotics |
| Fitness | The ability to reproduce in an environment and how well an individual species can produce offspring and its relative contribution to the gene pool |
| Adaptation | Variation that helps an organism survive and reproduce in its environment |
| Evolution | The change in heriable characteristics of a species over successive generations |
| Selective Pressure | an evolutionary force that causes a particular phenotype to be more favorable in specific environmental conditions |
| Divergent Evolution | Share a common ansestor and have homologus structures |
| Convergent Evolution | Do NOT share a common ansestor and have analogous structures |
| Homology | Similarity between different species due to shared ancestery between structures or genes |
| Analogy | Similarity in appearence between different species |
| Parallel Evolution | Share a distant common ansestor but indepentantly evolve similar traits overtime due to selective pressures and is a special case |
| Genetic Drift Pinky | Effect of chance events and when a small group splinters off and starts a new colony, with usually some factor greatly reduces population like a natural disaster |
| Non-Random Mating Ring Finger | select partners like themselves in specific phenotype characteristics and there is sexual selection |
| Mutation and Variation Middle Finger | Mutation CREATES variation and Mutation changes DNA sequence |
| Gene Flow Pointer | Movement of individuals in/out of population such as the migration of animals |
| Natural Selection Thumb | Differential survival and reporduction due to changing environmental conditions |
| Allopathric | Gengraphic seperation |
| Symatric | Live in same area |
| Zygote | Fertilized Egg |
| Reproductively Isolated | A species unable to breed properly with related species due to geographical, behavioral, physiological or gentic barriers or differences, making them isolated |
| pre-reproductive barriers | Obstacles to mating |
| Geographical isolation | species occur in different areas |
| Ecological isolation | Species occur in same region, but occupy different habitats so rarly encounter eachother |
| Temporal isolation | species that breed during different times a day, seasons or years |
| Behavioral isolation | Unique behavioural patterns and rituals isolate species and attracts mates of same species |
| Mechanical isolation | Mortholodgical differences can prevent successful mating |
| Gametic isolation | Sperm of one species may not be able to fertilize eggs of another species |
| POST- reproductive barriers | Prevent hybrid offsrping from developing into a viable, fertile adult |
| Prokaryote | chromosomes are not in nuclear envelope but are free floating |
| Eukaryote | "true nucleus" has a nuclear envelope |
| Heterotroph | Must eat other organisms to get energy |
| Autotroph | Makes their own energy |
| Alleles | One of two or more versions of DNA sequence at a given genomic location and have matching genes |
Created by:
evehec
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