Members of the order Decapoda have __________ pairs of walking legs.

These openings in a grasshopper’s exoskeleton allow for gas to enter and exit the body:

Suppose we’re conducting a right-tailed hypothesis test with a 5% level of significance. What would the corresponding critical value be?

The hormone released by the anterior pituitary that triggers ovulation and transforms the ruptured follicle into the corpus luteum is

The role of B cells in adaptive immunity is _____, while the role of T cells in adaptive immunity is _____.

The passage of food needs to occur in a controlled way, so the body contains rings of muscle in the digestive tract that regulate the movement of food. These are

If an older patient came in complaining of joint pain, and a scan showed the bones in the patient’s hands rubbing one another, you would diagnose

In the human male and female reproductive systems, each system contains paired primary sex organs called _____, which contain _____ that give rise to gametes.

The diploid first cell of a new organism is a(n)

Although the lymphatic system has many similarities to the circulatory system, what can the lymphatic system accomplish that the circulatory system cannot?