Answer:
lizards, snakes, turtles, tortoises, crocodiles, alligators and dinosaurs
Explanation:
Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. They include crocodiles, snakes, alligators, lizards, turtles, and tor- toises. Also dinosaur is a large reptile which appeared 251 million years ago.
Cholesterol is a lipid that is transported in the blood using different types of lipoproteins. There are three types of lipoproteins that are differentiated based on their density. Very low-density lipoprotein, low density protein and high density lipoprotein are the three most common types. These lipoproteins use the process of endocytosis to form vesicles that allow the transport of the hydrophobic lipids throughout the blood.
It is natural selection. Try to remember from those three selections that natural is where the animal does it by itself. The other two are where humans interfere with it.
