Fertilization is when a sperm and egg fuse together to make a zygote. Once formed, the zygote will undergo which type of cell division to eventually grow into a fetus? mitosis

meiosis II

both meiosis I and II

meiosis I

Which muscle is responsible for inhalation ?

According to the cladogram, which organisms have roundworms as a common ancestor?

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