A frog and a toad mate. The frog drops it's sperm onto the toad's eggs as they are being laid, no offspring develop because the sperm cannot fertilize egg. This is an example of
A. mechanical isolation.
B. temporal isolation.
C. habitat isolation.
D. behavioral isolation.
E. gametic isolation.
E. gametic isolation.
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Breaking actin-myosin bonds requires
a. ATP. b. ADP. c. calcium. d. phosphorus. e. sodium
Viruses are not considered to be alive, yet they share this ability with living cells:
a. They can metabolize food b. They can evolve c. They can reproduce on their own d. They can produce cell membranes e. They can synthesize proteins
Proteins ________________.
a. form most structures in an animal b. function as most enzymes in an animal c. form most membranes in an animal d. A and B are correct e. A, B, and C are correct
A small group of white-tailed deer cross the frozen water of Lake Michigan and establish a population on a remote island. This small group of deer can best be described as
A. renegades. B. a founding population. C. a newly formed species. D. a new gene pool.