BIOL 1001 FINAL LSU PAUL EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS (GRADED A+)
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BIOL 1001 LSU PAUL
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BIOL 1001 LSU PAUL
BIOL 1001 FINAL LSU PAUL EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS (GRADED A+)
Ecosystem diversity - Answer-the variety of both communities and the nonliving environment on which the communities depend
- hunting and fishing for food
- harvesting wood for heat and cooking
- Extracting medic...
BIOL 1001 FINAL LSU PAUL EXAM
QUESTIONS WITH CORRECT
DETAILED ANSWERS (GRADED A+)
Ecosystem diversity - Answer-the variety of both communities and the nonliving
environment on which the communities depend
- hunting and fishing for food
- harvesting wood for heat and cooking
- Extracting medicines from plants - Answer-Direct use ecosystems by humans
- soil formation
- erosion and soil control
- climate regulation
- genetic resources
- recreation - Answer-Indirect use of ecosystems by humans
Extinition - Answer-a natural process, but rates have risen dramatically
65 million years ago - Answer-recent major extinction happened?
100 - 1000 times - Answer-How much increased is the background extinction rate?
List animals in the extinct, endangered, critically endangered, vulnerable - Answer-What
does the International Union of the Conservation of Nature do?
12 - Answer-What percentage of birds are threatened?
21 - Answer-What percentage of mammals are threatened?
31 - Answer-What percentage of amphibians are threatened?
5 - Answer-What percentage of reptiles are threatened?
- increasing use of resources to support human beings
- direct impact of human activities, such as habitat destruction, over-exploitation of wild
populations, invasive species, pollution, and global warming - Answer-Two factors of the
reduction of biodiversity:
Human ecological footprint - Answer-the estimation of the area of Earth's surface
required to produce the resources we use and to absorb the wastes that we generate,
expressed in acres of average productivity
, habitat destruction
overexploitation
harmful interaction with invasive species
pollution
global warming - Answer-human activities that threaten nature
- Damming rivers
- Draining wetlands
- Building roads and housing
- Industry - Answer-habitat destruction by humans that threaten biodiversity examples
- Competition for food or habitat
- Direct predation
- Causing increased vulnerability of the native species to disease or habit destruction -
Answer-Ways invasive species threaten native species
plasticizers, flame retardants, and pesticides - Answer-human creations that threaten
biodiversity
- Understand the impact of human activities on species, populations, communities, and
ecosystems
- Preserve and restore natural communities
- Reverse loss of biodiversity caused by human activities
Foster sustainable use of Earth's resources - Answer-Goals of Conservation Biology
- solar
- wind
- geothermal
- wave energy - Answer-Types of renewable resource energy technology
Root cause of environmental degradation - Answer-too many people consuming too
many things and generating to much waste
reversing population growth - Answer-The way to fix population
population - Answer-consist of all the members of a particular species that live within an
ecosystem
community - Answer-group of interacting poputlations
biosphere - Answer-the enormous ecosystem that encompasses all of Earth's habitable
surface
Ecology - Answer-the study of the interrelationships of organisms with each other and
with the nonliving environment
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