Describe the effect of increasing carbon dioxide concentration on the rate of photosynthesis at low light intensity

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?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.