They help in that, many recently discovered fossils form series that trace the evolution of modern species from extinct ancestors. Patterns in the distribution of living and fossil species tell us how modern organisms evolved from their ancestors. Evolutionary theory explains the existence of homologous structures adapted to different purposes as a result of descent with modification from a common ancestor.
Answer . These two molecules form what is known as a triglyceride or a fat. Two common forms of triglycerides are saturated and un saturated fats.. so basically lipids
B. Lipids.
D - Allow pH to change drastically.
The reason that we have buffer in our system is to protect AGAINST sudden change of pH
These bones are expanded into broad, flat plates, as in the cranium (skull), the ilium (pelvis), sternum and the rib cage. The flat bones are: the occipital, parietal, frontal, nasal, lacrimal, vomer, hip bone (coxal bone), sternum, ribs, and scapulae. ... In an adult, most red blood cells are formed in flat bones.
