Describe one or more of the scientific theories regarding the origin of life on the early Earth. Explain how RNA is important to this theory

Match the types of competition to their descriptions.

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes