Which trait exemplifies the chaparral regions of California?
a. Plants are adapted to occasional fires
b. Lie between deserts and tropical rainforests.
c. Plants evolved water conserving mechanisms.
d. Receives 25 - 100 centimeters of rainfall per year.
e. None of these choices.
a
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Puppies born too large experience difficulties
in birthing and tend to have respiratory and other problems. Puppies born too small often can’t compete with their siblings for their mother’s milk. Thus, puppies born not too large or too small have a survival advantage. This is an example of ___ selection.
a. directional b. stabilizing c. disruptive d. frequency e. more than one of these types of
All the following have some sort of hardened
endoskeleton EXCEPT a. sea stars. b. sea urchins c. fish. d. sea anemones. e. turtles.
Bacteria cannot be classified using the biological definition of a species for which reason?
What will be an ideal response?
What is required to culture a bacteriophage
What will be an ideal response?