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5 Written questions

5 Matching questions

  1. allele frequency
  2. what are the six kingdoms
  3. cells contain what four molicules
  4. balancing selection
  5. when an assumption of the H-W equilibrium principle is broken what representation of evolution does it have
  1. a carbohydrates, lipids, proteins, nucleic acids.
  2. b bacteria, archaea, protists, plantae, fungi and animalia
  3. c no particular allele has a distinct advantage instead there is a balace of several alleles in terms of their fitness and frequency. this usually happens because an enviroment varies over time meaning there is a heterozygous advantage, it also happens because some alleles are rare and favored over common ones like guppies who mate with rare patterned individuals because common patterns get recognized and eaten first.
  4. d the number of individuals in a population that exhibit a particular expression of a gene usually expressed as a proportion
  5. e null model

5 Multiple choice questions

  1. it decreases it
  2. groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups.This is the most familiar however,it doesn't account for asexually reproducing species. hybridization means reproductive isolation is incomplete,it is not known whether they are able to reproduce. (dinosaurs)
  3. adaptations are constrained because all traits must have evolved from previous traits
  4. free from contradictions and structured with organization sets of connected statements systematically and often linearly aligned. Often proceeds by the hypothetico-deductive method(hypothesis and falsification)
  5. individuals with when compared to other members of individuals have a distinct trait that gives them an advantage in survival or reproduction. a selective disadvantage is a trait which leaves the species at a disadvantage to survive and reproduce.

5 True/False questions

  1. heterozygous advantagenatural selection was not able to optomize all aspects of a trait, due to genetic correlation or lack of genetic variability

          

  2. non adaptive traitsdiscrete and categorical such as presence or absence of a particular structure or the state of a color,can be binary or multistate

          

  3. what is the ultimate source of genetic variationreinforcement of divergence founding of hybrid zones extinctions of one population or the creation of new species

          

  4. is adaptation goal orientedno it is completely random

          

  5. what are three reasons that we dont know about some speciessome groups are poorly studied, many environments are poorly sampled, molecular approaches are identifying more and more cryptic species