During an action potential, voltage-gated potassium channels open after voltage-gated sodium channels. The effect this has on the membrane potential is .

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

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

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad