Transcript Ecology - bglass

Ecology
Written Assignment
Objective
• After researching SELECTED internet sources
on keystone species, write a report that
defines keystone species through examples
and explains the economic and ecologic values
they possess. Support your discussion with
evidence from your research. What
implications can you draw?
Definitions:
• keystone species – species that has an
unusually large effect on its ecosystem
• biodiversity – variety of living things in an
ecosystem
• ecologic value – how much something is
worth to the environment
• economic value – how much money
something is worth to the country
Written Assignment
• Construct a 5 PARAGRAPH ESSAY
• Paragraph #1 – Introductory paragraph
– define what is a keystone species
– start with a fact, question, quote, or anecdote
– should have a transition word / sentence in the
middle
– must have a thesis statement
• tells specifically what you will be talking about
Written Assignment
• Paragraphs #2-4 – Body
– #2 give the specifics about one organism,
describing what makes it a keystone species
- #3 describe the ecological value of this species
- #4 describe the economic value of this species
• who would gain / lose money if this species was lost?
• Paragraph #5 – Conclusion
– summarize your paper
– restate your thesis
Written Assignment #1
• You will have tomorrow and Thursday to work
on this in class
• After class Thursday, you must work on your
own
• WHETHER YOU ARE HERE OR NOT you must
show me a rough draft of your essay on
FRIDAY
• The final draft is due WEDNESDAY MAY 18TH
Grading
1. Content
– Is your paper scientifically
correct?
– Does it meet all of the
requirements?
2. Focus – Is your paper structured so
that it flows well?
3. Grammar
- Is it grammatically correct?
4. Format - Is it 5 paragraph format?
- Is each paragraph structured
correctly?
Keystone Species
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sea stars (star fish)
otters
bees
elephants
gray wolf
fig trees
prairie dog
corals
Resources
• You MUST use:
– one of the two articles found on
bglass.wikispaces.com/Keystone+species
– one article from google scholar
• After using these two sources you can use any
other RELIABLE sources of your choice . . . but
you must list every source that you use
– FAILURE TO DO SO WILL RESULT IN A ‘0’ FOR THE
ASSIGNMENT