What makes up a motor unit? a. one tendon and one muscle fiber b. fast- and slow-twitch muscle fibers c. one motor nerve connected to muscle fibers d. one motor nerve connected to a tendon?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Whats one way that rocks do not follow the typical rock cycle pathway?