The Primates order is differentiated from other orders of mammals based on several characteristics. List four ways to
distinguish primates from other mammals. What will be an ideal response?
1. Primates have different skeletons and modes of locomotion.
2. Primates have larger brains.
3. Primates have smaller, fewer, and less specialized teeth.
4. Primates have stereoscopic vision.
5. Primates have a grasping hand with an opposable thumb.
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Given that the total number of atoms on our planet remains fairly constant, how is it ever possible to deplete a natural resource such as a metal?
A. The atoms don't leave our planet, which is why naturally occurring materials never really reach the point of depletion. B. The problem is with the expense of collecting metal atoms that are uniformly dispersed. C. The problem remains that not everyone recycles as they should. D. Recycling only forestalls the inevitable depletion of metal resources.
Exposure to a temperature is 94 oF [INSERT TABLE 5-5.]
A) could put you at risk for heat stroke, depending on the humidity B) would always put you at risk for heat stroke C) would never put you at risk for heat stroke
Broadly speaking, based on their chemical nature, how many different classes of chemical messengers are there?
A) 2 B) 3 C) 4 D) 5
Tropical rainforests consist primarily of ____
a. grasses b. broad-leaf evergreen trees c. xerophytic vegetation d. shrubs