4. what chemical process occurs in the cell organelle called the chloroplast?
a) respiration b) excretion c) photosynthesis d) chemosynthesis

C) Photosynthesis

Explanation:

Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.

they are known to reach a speed of 21 miles per hour

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.