The process of eliminating metabolic waste!
Answer:
a. Organism B is most closely related to organism A because the percentage of DNA similarity is 97%
b. Organism D and Organism A are the least closely related with a DNA similarity of 50%
c. Organism A and Organism B most likely share a common ancestor because there DNA is alomst identical leaving you to beleive that they are closly related.
Tundra - The coldest land biome is found near Earths north and south poles. It has no trees but has low, slow growing vegetation with permafrost below the topsoil. The tundra usually receives less than 25 cm of precipitation annually.
It would be 'Cold water sinks, warm water rises, creating a convection current.'
Our diets are composed of protein, fat and carbohydrates. Digestive enzymes<span> break down protein, carbohydrates and fats into smaller and smaller components.</span>