Research study show that sea urchins displayed similarity with humans like having an immune system and genetic material (DNA). Both belong to the deuterostomes. These animals are similar based on their early stage of development specifically during the embryos form.
Answer:
Lipids are hydrophobic because they do not mix with water. Lipids are made of long chains of carbon and hydrogen. ... The partial charges on the water molecule cannot interact with the neutral lipid molecule and thus water and lipids do not mix.
Answer:
That there used to be an abundance of plants and animals that lived there. Does this help?
Explanation:
Coal forms from dead things from the past being subjected to high pressure.