Traits that enable an organism to reproduce, without necessarily them to survive, are often selected for. darwin called this idea sexual selection. all but one is an example of sexual selection in the animal kingdom. a) larger antler displays in male deer. b) female flies only breed once per life span. eliminate c) the male peacock's elaborate tail feathers used to attract the female. d) male elephant seals fighting over territory and potential female mates.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation: