67. The illustration below shows a single-celled organism that has a nucleus and
organelles, lacks a cell wall, and
obtains food by eating other
organisms. The organism also has
cilia that it uses to move through
water. Which kingdom should
this organism be classified?
a. Animal
b. Eubacteria
c. Plant
d. Protist

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.

the correct answer should be false

{apex}

did you fail the test? xd

the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.