The main function of the canine greeting display is to
a. establish ownership of the territory on which the dogs meet.
b. determine the signals to be used during the confrontation.
c. minimize conflict between greeting dogs.
d. release excessive energy.

When does dna replication(make a copy of itself)?

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.