What skeletal features differentiate modern humans from apes, and what common purpose do all these
differences serve? What will be an ideal response?
Compared to apes, humans have a spine that enters the skull inferiorly, an S-shaped spine, legs longer
than arms, and arched feet with non-opposable toes. All these skeletal features allow us to be more
efficiently bipedal.
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The opposite results obtained by scientists apparently doing the same experiments in investigating spontaneous generation
A. shows the importance of repeating experiments. B. shows the importance of exactly duplicating experimental conditions. C. led to further experiments that ultimately furthered knowledge. D. All of the choices are correct.
Conservation biology is an interdisciplinary science that focuses on ____
a. saving endangered species b. sequencing the DNA of all species on Earth c. cataloging endemic plant species d. researching trigger species e. maintenance and preservation of biodiversity
The process by which water is "pulled" up through the xylem columns of plants as it evaporates out of the leaves is called
A. transpiration. B. anhydration. C. stomatization. D. osmosis. E. respiration.
It is thought that President Abraham Lincoln suffered from a genetic disorder known as Marfan syndrome. Which types of fibers are affected in this disorder?
A. collagen fibers B. hyaline fibers C. elastic fibers D. reticular fibers E. ground fibers