Type II survivorship curves ____
a. are characteristics of humans and elephants
b. typify a population in which all ages have an equal chance of survival
c. indicate a high mortality rate in the very young
d. show that very few young are produced, that each is given parental support, and that most individuals live a
relatively long life and die of old age
e. are typical of annual plants
ANSWER: b
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1. Sweat has a higher salt concentration than the blood does in humans. 2. Animals that do not control internal water concentration also typically do not control the concentrations of ions like sodium and potassium. 3. An animal that exhibits broad tolerance for changes in the salinity of its environment is said to be "euryhaline." 4. The materials in urine are ONLY those that are filtered from the blood or hemolymph and not reabsorbed by the body following filtration.
Soft plant parts, such as leaves, are produced from ____
a. the vascular cambium b. the cork cambium c. primary growth d. secondary growth e. lateral meristems
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