Adaptations

ADAPTATIONS ¢Skin wile, eye wile & hair color are all evidence of natural selection at work, as hu compositions have adapted in visualize with their environments. Even your body type may be an change to environmental stresses. ¢Bergmanns Rule - animals adapted to nippyer climates have larger, more bring up bodies to preserve passionateness, and animals adapted to warm climates will have slight bodies or longer bodies for better thermo-regulation. ¢Allens Rule - animals in stone-cold climates have short, stout limbs in order to conserve heat energy, enamour animals adapted to hot climates have long, slender limbs to dissipate heat faster. EVOLUTIONARY CONCEPTS ¢Species - a population of organisms which is reproductively distinct from similar populations. ¢Microevolution - short-term evolutionary trends that occur within a species e genuinelywhere relatively few generations. ¢Macroevolution - long-term evolutionary changes that take place e realwh ere millions of years. ¢Anagenesis - the slow, gradual transformation of a species over time. ¢Punctuated Equilibrium - guess that most evolutionary change has taken place in short bursts. DARWINIAN FITNESS ¢Darwinian Fitness - a measure of an organisms ability to compete in the struggle for man ¢Fitness is related to an organisms ability: ¢ 1. to survive long crowing to produce offspring ¢ 2. economy of energy in survival activities ¢ 3. success in attracting the most mates ¢ 4. success in attracting the best mates ¢ 5. number of offspring who live to dirty dog ¢ 6.

success in the reproduction o f close relatives          !          PARENTING STRATEGIES ¢K-strategy - a enatic care strategy where reproduction usually consists of a in truth small number of offspring per berthing episode, characterized by a stir parental investment in the care of young and their work to adulthood. ¢R-strategy - a care strategy where reproduction usually consists of a high number of offspring per birthing episode, characterized by very low parental investment in the care of the young.                   ... If you destiny to get a full essay, order it on our website: BestEssayCheap.com

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