Which of the following is the principle that all geologic processesd have occurred in the same manner today as they have always throughout Earth's history?
Gradualism
Uniformitarianism
Catastrophism
Stratigraphism

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?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?