A change in the timing of important events in the life cycle…

A change in the timing of important events in the life cycle of an organism (e.g., hatching, metamorphosis, sexual maturity) that produces a very different looking descendant species compared to the ancestral species is called ____, which is an example of a _____ process.

When an action potential from a motor neuron arrives at the…

When an action potential from a motor neuron arrives at the neuromuscular junction, a series of events occurs that leads to the contraction of the skeletal muscle cell. Which of the following events occurs last?  (Hint: put these events in the correct order first, so you can easily decide which event occurs last.)