Mr. miller has assigned his science class the task of making a dichotomous key. Which characterisic difference visible in the chart would be the best start for the dichototmous key? A dark or light skin
B length of legs
C color patterns
D fast or slow

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?

What are the proteins in connectivity tissues of your foot examples of?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?