Unlike smooth muscle, cardiac muscle is
a. responsible for movement of food within the digestive tract.
b. found in the wall of hollow parts of the human body.
c. striated.
d. connected by gap junctions.

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

What did hunter gathers do to alter the environment?

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind