The hair follicle originates in which layer of the skin

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Each circled letter in the circuit diagram represents a meter that is used to measure a quantity in the circuit. which meters are ammeters

Males of different species of the fruit fly drosophila that live in the same parts of the hawaiian islands have different elaborate courtship rituals. these rituals involve fighting other males and making stylized movements that attract females. what type of reproductive isolation does this represent?