Answer:
roots enable plants to spread over land areas or roots hold the plant in place in the ground
The Dermis is made of dense irregular connective tissue along with nervous tissue and gives the skin its strength and elasticity.
<span>DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.</span>