A student claims that the monarch population increases and decreases in a cycle, similar to the pattern of predator-prey populations like wolves and moose.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

artificial selection

explanation:

this occur when man select base on their intelligent