Answer:
Organ systems are organs that work together to perform a specific bodily function, so your answer is D
Explanation:
There is one choice missing from this question:
<span>a. narcoleptic fits
b. nightmares
c. apnea episodes
d. night terrors*
The correct answer is "night terrors". Night terrors are intense feelings at the first half of non-REM sleep that is characterized by fear, horror, trembling, shaking. Night terrors are different from nightmares as there are physical effects carried out from night terrors upon waking up such as screaming, crying, and sudden movements.</span>
The two organelle that convert energy into plants are Chloroplasts and Mitochondria.
Astrology is not a main are of science
A grass land is a healthy green grass environment were it isnt very hot or dry.butb a savvanah has lots of heat so the grass dries up and dies
