This is the basic theory of evolution as described by Lamarck that states evolution occurs as a result of an organism acquiring a change in form due to using or not using particular body parts during its lifetime and then passing the new trait on to its offspring. Overproduction organisms pro...
用Quizlet學習並牢記包含Evolution、2 Requirements for Evolution、Natural Selection (Darwin Theory of Evolution)等詞語及更多內容的單詞卡。
change in allele frequencies as a result of the migration of a small subgroup of a population bottleneck effect catastrophic reduction in population's alleles present in survivors are alleles in new population Hardy-Weinberg Principle principle that allele frequencies in a population will remain constant...
Evolution occurs by changes in the proportions of individuals in populations. Natural selection (independently conceived by Wallace) Changes in the proportions of individuals in a population are caused by differences in their ability to survive and reproduce.Non random, differential survival and/or repro...
occurs when the composition of the gene pool changes as a result of chance The founder effect results from (a) that suddenly isolate a small population, leading to (b) and increased prevalence of certain homozygous genotypes bottlenecks, inbreeding recombination frequency likelihood of two alleles be...
A structure in an organism that has lost all or most of its original function in the course of evolution, such as human appendixes. Niche The specific area where an organism inhabits. (ecology) The role or function of an organism or species in an ecosystem. Darwin English naturalist who wr...
DNA quizlet from notes part 2 25個詞語 biol 101 exam 2 44個詞語 這個學習集的練習題 學習 1 / 7 Allele frequencies change as a result of the migration of a small subgroup - drift occurs as a small population colonizes a new area
•Speciation occurs within the same habitat (a single locality), without the two new species ever having been geographically separated •One type occurs commonly as the result of polyploidy -Individuals that have more than two sets of chromosomes ...
a change that occurs in an entire population; occurs over a long period of time key main, most important physical feature any natural characteristic inherited from parents camouflage The hiding of something as a result of its appearance behavioral trait ...
>The founders may have different allele frequencies than the original source population, particularly if they are a small sample Bottleneck Effect Genetic drift that occurs when the size of a population is reduced, as by a natural disaster or human actions. Typically, the surviving population is ...