Changes in ________ represent the predominant cause for biological evolution.
A. growth and development
B. genetic makeup
C. energy
D. reproduction
E. homeostasis
Answer: B
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Pair the ribosomal structure with the correct organism.
A. Archaea B. Bacteria C. Eukaryote
When behavioral biologists look at the ultimate evolutionary benefit to animal communication, they
are primarily focusing on the effects of the communication on the individual's ability to ____.
a. maintain a favorable position in the dominance hierarchy b. produce surviving offspring c. intimidate other animals d. form alliances with other animals e. find food
Eukaryotes probably originated about
A. four billion years ago. B. two billion years ago. C. four million years ago. D. three billion years ago. E. three million years ago.
Which statement regarding the scientific method is FALSE?
(a). Experimental results are reported in scientific journals. (b). Hypotheses are finally proven as absolutely true or false. (c). The control is not subjected to the experimental variable. (d). Statistical tests may be used to analyze experimental results. (e). Experimental results are often summarized in a graph or table.