JMU BIO 150: Exam 1 Questions with
Complete Solutions (Latest 2025) Define biodiversity - Correct Answers ✅the diversity of plant and animal life in a particular habitat (or in the world as a whole) Define genetic diversity - Correct Answers ✅the total genetic information contained within all individuals of a species, population, or community Why is genetic diversity important? - Correct Answers ✅provides the raw materials for adaptive change Define adaptive change - Correct Answers ✅change in
response to the environment's "natural selection:
Define species diversity - Correct Answers ✅the diversity of species present in a community Why is species diversity important? - Correct Answers ✅species have a particular "role" in a system, so the addition or loss of a species may have consequences for the entire system How is species diversity measures? - Correct Answers ✅- species richness -species abundance 1 / 2
JMU BIO 150: Exam 1 Questions with
Complete Solutions (Latest 2025) Define species richness - Correct Answers ✅number of species in a community Define species abundance - Correct Answers ✅The number of individuals of each species Define ecosystem diversity - Correct Answers ✅measure of the variety of biotic components in a region along with abiotic components Why is ecosystem diversity important? - Correct Answers ✅ecosystem functioning is dependent on interacting member organisms with their environment Define system stability - Correct Answers ✅diverse systems are resilient after and resistant to disturbances Define ecosystem productivity - Correct Answers ✅diverse systems have higher net primary productivity Define ecosystem services - Correct Answers ✅direct and indirect benefits that humans derive from organisms and ecosystems Define existence value - Correct Answers ✅economic value of a system and our willingness to mitigate biodiversity loss
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