The "thumb" of the panda is really a modified ________ bone, which evolved because it improved ______________.
Fill in the blank(s) with the appropriate word(s).
Ans: Wrist, harvesting bamboo
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Which of the following is one of the main locations for the type of tissue in Figure 39-1?
a. lining of the digestive tract b. within blood vessels c. dermis of the skin d. respiratory passages e. air sacs of the lungs
The current estimates of the ENCODE project for percent functionality of the human genome based on the ENCODE definition of functionality is ________ the estimate of functionality based on the selected-effect functionality definition.
A. less than B. greater than C. equal to
One hypothesis on the origin of mad cow disease in cattle concerns
a) cattle feed contaminated with scrapie. b) direct contact with animals infected with scrapie. c) direct contact with other infected species. d) hormones in cattle feed.
What are single-celled forms of fungi called?
a. Yeast b. Viruses c. Lymphocytes d. HIV