The are 4 glands in the endocrine system. The thyroid gland, pineal gland, parathyroid gland, and the pituitary gland.
Answer: To be able to reach the food they need.
Explanation:
Giraffes feed off of high trees. In order to get that food, they were forced to naturally adapt to the height of the trees.
Viruses are not cells; they are a strand of genetic material within a protective protein coat called a capsid. They infect a wide variety of organisms, including both eukaryotes and prokaryotes. Once inside the cell, they use the cell's ATP, ribosomes, enzymes, and other cellular parts to replicate.
When water molecules are being made, two hydrogen atoms will make a hydrogen bond with one oxygen atom, making a water molecule.
