And: Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins. Some molecules and ions such as glucose, sodium ions, and chloride ions are unable to pass through the phospholipid bilayer of cell membranes.
This is called a behavioral pattern. This is something deer have learned over time that gives them an advantage in the wild.
The fossil shows evidence of how animals lived on Earth in the past and shows history about animals that may be extinct now or have evolved since then, which would show development in the animal in the fossil.
Four single bonds, 2- two single and one double bond, 3- one single and one triple bond, 4- two double bonds.
