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Use the Information to Answer the Following Question

question 68

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Use the information to answer the following question.
The Brazil nut tree, Bertholletia excels (n = 17) , is native to tropical rain forests of South America. It is a hardwood tree that can grow to over 50 meters tall, a source of high-quality lumber, and a favorite nesting site for harpy eagles. As the rainy season ends, tough-walled fruits, each containing 8-25 seeds (Brazil nuts) , fall to the forest floor. Brazil nuts are composed primarily of endosperm. About $50 million worth of nuts are harvested each year. Scientists have discovered that the pale yellow flowers of Brazil nut trees cannot fertilize themselves and admit only female orchid bees as pollinators. The agouti (Dasyprocta spp.) , a cat-sized rodent, is the only animal with teeth strong enough to crack the hard wall of Brazil nut fruits. It typically eats some of the seeds, buries others, and leaves still others inside the fruit, which moisture can then enter and allow the remaining seeds to germinate.
The same bees that pollinate the flowers of the Brazil nut trees also pollinate orchids, which are epiphytes (in other words, plants that grow on other plants) ; however, orchids cannot grow on Brazil nut trees. These observations explain ________.

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Satisfaction

A measure of how well needs, desires, or expectations are met or fulfilled.

Efficiency

The ability to achieve a goal using the least amount of resources possible, such as time, energy, or materials.

Descriptive/Correlational Study

A research method that involves observing and describing the behavior of a subject without influencing it in any way.

Television Violence

The depiction of violent acts and aggression on television programming and its potential effects on viewers' behavior.