From his observations of organisms in the Galapagos islands, Darwin reasoned that _____.
A. all island species should be similar to each other
B. organisms had adapted to new environments, giving rise to new species
C. the shape of a bird's beak does not affect its ability to survive and reproduce
D. the organisms in the Galapagos had been specially created to thrive in that environment
E. none of the above
B. organisms had adapted to new environments, giving rise to new species
You might also like to view...
An animal with an open circulatory system ____
a. lacks a continuous network of blood vessels that contain the blood at all times b. can have only one heart
c. has two separate vascular circuits d. is able to distribute substances faster than a closed system e. can grow larger than one with a closed circulatory system
Which components of an atom do not have a
charge? I. electrons II. protons III. neutrons a. I only b. II only c. III only d. I and II e. II and III
Most genes of an organism
a. show unregulated expression. b. are expressed at high levels. c. are never expressed. d. are expressed only in specific cell types. e. are expressed at low levels.
A chemical agent that dissolves lipids can damage
A. cells. B. bacterial endospores. C. enveloped viruses. D. non-enveloped and enveloped viruses. E. cells and enveloped viruses.