Flowers consist of modified leaves (sepals, petals, __________, and __________ ) at the ends of
specialized branches. Fill in the blank(s) with the appropriate word(s).
stamens; carpels
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Cardiac muscle cells are ____
a. involuntary b. spindle-shaped c. multinucleated d. slow contracting e. found in the walls of blood cells
Which of the following is NOT a feature of
New World Monkeys? a. Flat face. b. No opposable thumb. c. Widely spaced nostrils. d. Prehensile tail. e. All of these.
There is a population of giraffes. Some have short necks, some have medium-length necks, and some have long necks. If the short-necked individuals are regularly eliminated from the population, this would be an example of
A. disruptive selection. B. sexual selection. C. disfunctional selection. D. directional selection.
Human vertebrae are held together by ____ joints
a. synovial b. cartilaginous c. fibrous d. both fibrous and cartilaginous e. both synovial and fibrous