12. Response to stimulus within the central nervous system (CNS) differs
from a response initiated by a reflex because the former
A. undergoes depolarization
B. has greater speed
C. includes interpretation of information
D. does not release acetylcholine
Hint: The former refers to the CNS; the latter refers to the reflex
arc. If you quickly choose the latter, you will quickly select the
wrong answer.

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?

Which of the following organisms are capable of self-fertilization? a. plants b. tigers c. humans