Horses went extinct in north america and did not return until they were ferried in boats by european settlers (no land mammal can swim on its own across an ocean). from a horse's perspective, the ocean barrier is best described as what? a. a corridor b. a filter c. a sweepstakes route

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.

Matched chromosomes carrying information about the same characteristics in the organism are called