Animals with bilateral symmetry typically have (select all that apply):
A. distinct front (head) and back (tail) ends.
B. specialized sensory organs clustered at
the front, or head, end.
C. specialized appendages along both sides
for locomotion.
D. specializations for rapid locomotion in all
directions.
E. complex behavior.
A,B,C
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North Atlantic right whales, Eubalaena glacialis, were called "right whales" because they were the best whale for early whalers to kill. They have long baleen and lots of blubber and oil
When killed, they could be towed back to land for processing because they float. They once numbered in the millions, but the entire population of the species is now less than 400. The history of the right whale is an example of A) pollution. B) overexploitation. C) habitat destruction. D) competition.
Which of the following areas is not associated with the frontal lobe?
A. motor speech (Broca's) area B. premotor area C. prefrontal area D. primary visual area E. primary motor area
Which of the following statements concerning osmosis is FALSE?
A) Osmosis requires a selectively permeable membrane. B) During osmosis, water crosses to the side of the membrane with a lower solute concentration. C) Cells placed in hypotonic solutions will gain water. D) Crenation results when blood cells are placed in a hypertonic solution. E) Osmosis stops when the system reaches equilibrium.
Where does the life cycle of the Plasmodium protist take place?
A. in mosquitoes B. in pigs C. in snails D. in humans E. in both mosquitoes and humans