Aplant with a life cycle that lasts only a year is called a(n) plant.
annual
perennial
yearly
monocotyledon

The correct answer for the fill in the blank is Annual.

Annual plants are those, which complete their whole life cycle starting from germination to the seed production within one year and then they die. In other words, the life cycle of these plants lasts only for one year.

They can be summer annual or winter annual plants.

Example of annual plant- Tomato, Marigold

a physical change is being made.

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.