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ENV121 Midterm Exam 2024...

DNA technology has progressed to the point that we do not always need to directly photograph, capture, or kill an organism in order to identify it; we may be able to identify it with a blood sample, a feather, a fur or hair sample, or some other sample of material containing the organism's DNA. - Ans True While there are some species yet to be discovered, scientists think that we probably now have discovered most of the species on earth. Group of answer choices - Ans False

A densely-forsted area provides enough shlter and water for approximately 50 bears. If 30 bears move into this regio ad the population grows to 50, which of the following would be the best description of that growth pattern? a. exponential b. logistic c. it is impossible to predict d. none of the above. it will actually declie over time. - Ans b. logistic -

ENV121 Exam 2024| Questions with 100% Solutions| Verified| Latest Update

ENV121 Midterm Exam 2024| Questions with 100% Solutions| Verified| Latest Update

What is the extinction of many species in a relatively short period of geologic time is called? - Ans Mass extinction Define endangered species - Ans species whose population size is rapidly declining and will become extinct if the trend continues What are some characteristics that make some species especially vulnerable to extinction? - Ans 1. easy to hunt (big, slow) 2. valuable to hunt (ivory tusks) 3. hard to recover (reproduce slowly) 4. can't adapt to habitat destruction (narrow d...

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ENV 121 Final Exam (NOVA) - 2024...