The primary reason for the daylight migration of many pelagic animals to deeper waters is:
a. escape from visual predators.
b. escape from the harmful effects of the sun.
c. preference for the colder waters of the deep.
d. the abundance of food in deeper waters.
A
You might also like to view...
In what stage of translation does the peptide bond join two amino acids?
a. initiation b. transcription c. elongation d. reparation e. termination
Sulfolobus are archaea that are commonly found in geothermal environments, with an optimum growth temperature of about 80°C. What feature allows archaea to thrive at such temperatures?
A. Archaea use the heat from their environment to produce ATP. B. Archaeal membranes contain special lipids. C. Archaea have two cell walls which helps prevent heat absorption. D. Archaea are highly adaptable to changing environmental temperatures.
Secretes the hormones FSH and LH, which control ovulation
(A) testis (B) Lining of small intestine (C) Anterior pituitary (D) thyroid (E) pancreas
Glomerular filtrate contains many components that need to be reabsorbed (returned to the blood). Which of the following is (are) reabsorbed by osmosis?
A) Urea B) Red blood cells C) Glucose D) Water E) Amino acids