DNA replication
DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. ... The two separated strands will act as templates for making the new strands of DNA
1. hair
2. pore
3. oil gland
4. sweat gland
5. hair follicle
6. blood vessels
C from the sun to bird to worm
The answer is d. chromosomes help an organism produce usable energy