The bone structure of the baleen whale and the humming bird pictured above suggests that they share
A) the same diet
B) a common ancestor
C) similar environment
D) similar mating rituals

Id so

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

The answer is c the potato slice shriveled because water moved out of the slice into the salt solution