The phosphorus in all biological tissues can be traced back to .

a. phosphorus in animal bones.
b. atmospheric phosphorus gas.
c. phosphorus dissolved in the ocean and taken up by shellfish.
d. phosphorus weathered from rock.
e. volcanic activities.

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 is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria