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Secondary plant compounds are

The first national park in the US with land set aside to remain in a wilderness state was __________________ National Park. 

An area of land set aside with varying degrees of protection for the organisms that exist within its boundaries is called a ________________.

One of the places on earth that is experiencing the highest extinction rates is 

Species that have been introduced into an ecosystem in which they did not evolve are called _______________. 

Energy sources are needed for which of the following processes?I. ReproductionII. GrowthIII. Development

Figure 2.11BThe dashed line in the accompanying figure represents a(n) ____.

Which feature is characteristic of all polysaccharides?

The generic term for wild animals used for food is bush meat. 

Nitrogen, with an atomic number of 7, has ____ electron(s) in the first energy level and ____ electrons in the second energy level.