Rods in the eye are used for
A. dim light vision
B. bright color vision
Answer: A. dim light vision
You might also like to view...
Some genetic mutations occur from exposure to external agents called ____, such as radioactivity, ultraviolet radiation from the sun, and certain natural and human-made chemicals.
A) ?mutagens B) ?heritable traits C) ?keystones D) ?niches E) ?antibiotics
Isotopes are different forms of the same element that
A. differ in their number of neutrons. B. differ in their number of protons. C. are all produced artificially. D. cannot form covalent bonds. E. cannot form ions.
Tom Curtis wrote a letter in 2006 to try and
encourage research into a. rare plants. b. microorganisms. c. agricultural crops. d. prairie grasses. e. all of these.
The 12.011 in the diagram for Carbon specifies:
a. The number of protons in Carbon b. The number of neutrons in Carbon c. The number of electrons in Carbon d. The atomic number of Carbon e. The atomic mass of Carbon