Describe four comparative differences between New World and Old World monkeys. What will be an ideal response?
New world monkeys
1. prehensile tails
2. flattened noses
3, nostrils flared to side
4. live in groups
Old world monkeys
1. lack tails
2. nostrils flare down
3. fully opposable thumbs
4. some quadrupedal members
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Which of the following genera has proved useful for manipulating plant cells?
A. Escherichia B. Bacillus C. Pseudomonas D. Agrobacterium
In which group does most of the carbon dioxide formed during aerobic respiration leave across the skin?
a. fish b. insects c. lizards d. amphibians e. snakes
Explain how aldosterone and ADH work together to compensate for dehydration. What will be an ideal response?
Which one of the following divisions of the nervous system predominates during the relaxed state?
A) sensory division B) sympathetic division C) somatic division D) parasympathetic division E) endocrine division