Which process most likely enabled the formation of the early protists?

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

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

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?