Bio 211 Unit 2 CSULB (Questions)correctly answered 2024/2025

Bio 211 Unit 2 CSULB (Questions)Name the three main mechanisms that drive change in allele frequency. - correct answer Natural Selection, Genetic Drift, and gene flow What are the conditions for Hardy-Weinberg equilibrium? - correct answer No mutations, random mating, no natural selection, extremely large population, no gene flow What are three implications of the concept of descent with modification? - correct answer Variation, common ancestor, reproduction How can shared characteristics be explained? - correct answer a common ancestor Name four lines of support for the theory of evolution. - correct answer direct observations, homology at the anatomical and molecular levels, the fossil record, biogeography predictions of relationships between fossils and extinct species Name the types of pre-zygotic barriers. - correct answer habitat, temporal, behaviors, mechanical, gametic Name the type of post-zygotic barriers. - correct answer reduced hybrid viability, reduced hybrid fertility, and hybrid breakdown Differentiate between the biological, morphological, and ecological species concepts. - correct answer Biological - uses reproductive characteristics Morphological - uses physical characteristics Ecological - uses ecological niche What are the causes of sympatric reproductive isolation? - correct answer reproductive barriers, polyploidy, sexual selection, and habitat differentiation