Mutations that occur in skin or lung cells have little effect on the evolution of a species because mutations in these cells 1
usually lead to the death of the organism
2
cannot be passed on to offspring
3
are usually beneficial to the organism
4
lead to more serious mutations in offspring

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

Environmental impacts on evolution : mastery test

What is the correct order of cell division? include what happens in each phase