The White Cliffs of Dover, a famous landmark in England, is made of limestone, which is really a collection of the pore-studdedshells (tests) of
A. spirochetes.
B. diatoms.
C. brown algae.
D. foraminifera.
E. dinoflagellates.
Answer: D
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At present, the most accurate indicator of evolutionary relatedness among organisms is the
A. size of the periplasmic space. B. sequence of the ribosomal small subunit RNA. C. size of the bacterial chromosome. D. similarities of cell membrane proteins. E. size of the ribosomes.
The human population may reach 12 billion people by the year 2100. Applying your knowledge of energy flow, suggest the feeding habits necessary to support this large number of people
What will be an ideal response?
Klinefelter’s syndrome individuals have which chromosome makeup?
a. XX b. XO c. YY
d. XXX e. YYY
Which of the following it true in regards to fungi?
A. They are heterotrophs B. They are more closely related to plants C. They contain chitin in their cell wall D. They obtain nutrients via ingestion. E. Answers A and C F. Answers A and D G. Answers A, C, and D