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.)

A tsunami hits a small island and all snakes in a population…

A tsunami hits a small island and all snakes in a population are killed except for a small number of individuals. Today, the population has recovered in size but has lower genetic diversity compared to the population that existed before the tsunami event. Which concept best describes this scenario?

You learned about different dispersion patterns.  Examine th…

You learned about different dispersion patterns.  Examine the image of a dandelions in a field.  Use the word bank included to answer the fill-in-the-blank question below. Word bank: assorted, clumped, divergent, homologous, random, uniform The dandelions in the field exhibit a(n) _____________ dispersion pattern.