Human Ecology
Study Guide for Exam 2
Speciation/Natural Selection
Describe the theory of natural selection is
Describe what the advantage of genetic variation is
Define the terms
List which type of traits tend to be passed on
Be able to identify what types of traits natural selection favors
Describe what is meant by survival of the fittest.
Describe what evolution means in relation to changing of gene frequency.
Compare and contrast microevolution and macroevolution
Be able to distinguish between microevolution and macroevolution
Be able to identify what types of traits natural selection favors
Describe what happens to a population that is isolated
Be able to identify a population that is undergoing:
Know where to find evidence of natural selection
Environmental Ecology
Define the terms
Compare a niche to an organisms role in the community
Describe an ecosystem in terms of aboitic and biotic material
Compare and contrast the terms abiotic and biotic
Answer the question how many species can successfully occupy the same niche.
Describe what Range of Tolerance means
Describe what limiting factors are and what happens when an environment exceeds them.
Succession:
Biodiversity
Define the terms:
Describe and identify factors that make a species prone to extinction (i.e. body size, specialized niche, etc)
Describe the role habitat destruction plays in the loss of biodiversity.
Identify the importance of habitat destruction in the loss of biodiversity.
Describe the underlying causes of loss of biodiversity are (i.e. poverty, etc
Describe what types of activities result in habitat destruction
Be ability to identify the activity that is the biggest threat to biodiversity
Describe the effect clearing rainforest for agriculture has on biodiversity
Describe what activity in the US what is the biggest threat to biodiversity
Describe what the bushmeat trade is and its impact on biodiversity
Describe the difference between legal sport hunting and poaching.
Describe how legal sport hunting has a limited affect on biodiversity.
Describe the effect that the pet trade has on biodiversity.
Identify the major reason people poach wild animals
Describe the economic value to preserving wild species