What indian subcontinent is an accreted crustal block known as

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Which feature would you expect to find in a population in which sexual selection depends on male competition?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.