The variety of metabolic compounds in an ecosystem is called _______________________.  

Which of the following is NOT a medication that your text lists as being derived from a plant compound?

A species that was hunted for its meat and oil and went extinct in 1768, only 27 years after its first contact with man is the _____________________. 

Which concept represents the highest degree of certainty?

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

An atom can get rid of vacancies by participating in a ___________.

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

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

In the chemical shorthand, 14C, the 14 represents the number of ____.

The process by which the first cell of a new individual gives rise to a multicell adult is called _______.