Which of these is least likely to cause speciation? Choose the correct answer. A) Sea levels fall, exposing a land bridge.
B) A new highway is built, separating members of a species.
C) Some members of the species begin to favor new mating habits.
D) Certain members of a species begin to specialize in a different food source.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

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