Which of the following is not part of the theory of natural selection?
A) Individuals in a population vary.
B) Some variation can be passed on to offspring.
C) Populations produce more offspring than the environment can support.
D) All species are descended from a common ancestor.
D
You might also like to view...
A drawback of the morphospecies concept is that it cannot be applied to:
A. polymorphic species. B. species that are very similar in appearance. C. extinct organisms (e.g., fossils). D. polymorphic and similar-looking organisms. E. all of the answer options are correct.
The event called the Cambrian Explosion resulted in an abrupt increase in
A. geological activity. B. diversity of major animal groups. C. algal diversity. D. the number of days in the year. E. the amount of fish, of a single species, in the seas.
The adrenal medulla produces
a. mineralocorticoids. b. epinephrine. c. cortisol. d. testosterone. e. glucocorticoids.
How are the structures of RNA and DNA similar?
A. Their sugar-phosphate backbones are formed by phosphodiester linkages. B. Adenine pairs with thymine in both. C. They both have the same tertiary structure. D. They both contain the sugar ribose.