How does caffeine work? a. increases the amount of neurotransmitter at a synapseb. interferes with or decreases the action of a neurotransmitterc. replace or mimic a neurotransmitterd. replace or mimic a neuromodulatore. promote the action of a neurotransmitter?

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?

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

Which of the following explains why a tree is often used as a model to represent the principle of common descent