Plants and algae are the two groups of organisms
<span>Sugar - Either ribose or deoxyribose (in RNA or DNA)
Nitrogenous base - Adenine, guanine, cytosine, thymine (only in DNA), uracil (only in RNA)
Phosphates - One to three, two of which are usually hydrolyzed to
provide the energy to attach the nucleotide and form the phosphodiester
bond </span>
they have specialised cells ?
What are the four steps that explain how traits in a population change over time?
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.
