Schooling behavior makes normally small fish appear like a large organism from a distance. Indicate whether the statement is true or false
ANS: T
Schooling behaviors also reduce detection by predators while increasing the ability to find mates at the
appropriate times. The feeding efficiency is greatly increased in schooling fish. Information can be
found in the section Fishes Are Successful Because of Unique Adaptations.
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Mafic igneous rocks are enriched in ___.
a) silica b) quartz c) magnesium, iron and calcium d) sodium e) potassium
Of the following, which is the best scientific hypothesis for the question, "How do bees help pollinate flowers?"
A) Bees are attracted to flowers by both color and smell. B) Bees help transfer pollen as they visit flowers to eat the pollen and drink the nectar. C) Bees can see light-colored flowers better than dark-colored flowers. D) We should help bees survive by planting more flowers that provide nectar and pollen.
Match the chemical weathering process with the correct definition
A) Minerals dissolved in acidic water. B) Positive ions lose electrons to oxygen. C) Positive ions are replaced with H+ or OH-. 1) Dissolution 2) Oxidation 3) Hydrolysis
Dumping of sewage sludge at which of the following sites was terminated in 1993 due to reports of adverse effects on fisheries and concerns that sewage could be transported great distances in eddies of the Gulf Stream?
A) 106-mile sludge site B) Boston Harbor sludge site C) New York Bight alternative sludge site D) New York Bight sludge site E) Philadelphia sludge site