5. which of these is not a neurotransmitter?
a) acetylcholine
b) epinephrine
c) norepinephrine
d) histamine
e) serotonin

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !

Draw the structure of dna nucleotide with adenine as nitrogenous base