The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use. Hope I’ve helped ;)
The most recent and arguably best-known, the Cretaceous–Paleogene extinction event, which occurred approximately 66 Ma (million years ago), was a large-scale mass extinction of animal and plant species in a geologically short period of time.
Natural selection. They disagree on the rate, inheritance, and whatever c is talking about.
After uncoating, replication must occur. This is when a virus uses its host to copy its genome, generate and assemble a protein capsid<span>, and thereby reproduces itself. When a prophage is passively replicated along with its host's genome, we term this the lysogenic cycle.</span>
