Which of the following statements about mutations is FALSE? a. Mutations always decrease an organism's fitness.
b. Somatic cell mutations do not lead to evolution.
c. Mutations occur in all species.
d. Mutations are the ultimate source of all genetic variability.
e. Mutations can be induced via ultraviolet radiation.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?