This is true. when it is warmer the planet and insects can migrate to thses other places so they do not have to die or hibernate through winter.
Enzymes are protein macromolecules.
Endocytosis and exocytosis are similar in that they are both forms of cell transport. They differ because in endocytosis, a cell transports molecules into a cell (think: endo - in), and in exocytosis, the cell's molecules are transported by being expelled.
Mitosis, since it involves the process of splitting into two daughter cells.