Population of animals is split in half by a river. Before speciation is Sted, the two halves are rejoined when a drought causes the river to run would this impact the two populations? A. Speciation would still occur, because the two halves would be too different genetically to interbreed.
B. The likelihood of speciation would decrease as genes were shared between the two groups.
C. Traits that had developed through mutation would still exist only in one of the halves.
D. The two halves would be reproductively isolated.​

*will mark brainliest* which of the following best describes a viral infection, such as the common cold? a. virus grow and develop in the body. b. virus are living organisms. c. viruses require host cells in the body. d. viruses can be treated with antibiotics.

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins