Grade means HAVING SIMILAR ADAPTIVE PATTERNS.
In evolution, a grade refers to a group of species that have similar traits (the trait could be morphological or physiological) and which has given rise to another group that possess major differences from the ancestral form.
Unlike cnidarians and platyhelminths, round worms have an one-way digestive tract.
Adenine, Thymine, Guanine, and Cytosine
They possess complimentary paring. Meaning the one will only bind another, and will not bind with and other one
Answer:
Washing will help remove bacteria, including E. coli, from the surface of fruit and vegetables. Most of the bacteria will be in the soil attached to the produce. ... It is always advisable to wash all fruit and vegetables before you eat them to ensure they are clean and to help remove bacteria from the outside.
Differential reproduction means that some organisms in a population produce more offspring than others.
Differential reproduction refers to the difference between individuals in a population and how many offspring they are able to leave.The best adapted organisms to a given environment will leave more offspring than those who are not well adapted. Differential reproduction depends on the natural