What is a possible effect of crossing animals that belong to different species? a) such a mating is not possible. b) it will cause genetic disorders. c) it can reduce genetic variation. d) it can produce infertile offspring.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?