Go to Biodiversity
Hotspots
1.In your own words, define a biodiversity hotspot?
2. How many biodiversity hotspots have been identified?
3. Which hotspot is geographically nearest to you?
4. How many endemic insects are in this hotspot?
Use the Species Database to see the threatened species. PubMed
and Highwire are indexes
to articles published in medical and scientific journals.
5. Check out PubMed and Highwire by looking for an article on
one of the threatened mammals or amphibians in this hotspot. Give
the article's citation in the proper
format. Note that PubMed and Highwire are not the citation.
Go to The Tree of Life. Click
on phylogeny in the text below the tree.
6. Paraphrase into your own words, what is meant by "the
phylogeny of organisms"?
7. Click on the root of the tree. What domain are animals in?
8. Follow that domain. Which of the following is most closely
related to fungi? Animals, plants, bacteria/
Habronattus is a genus of jumping spiders, and the species
Habronattus americanus is a colorful and elegant little spider.
In the search window, type Habronattus americanus. You
should see a page of search results, with the first one listed
as Habronattus americanus. Click on this link. You’ll
end up on the leaf page for this neat jumping spider.
9. What is an obvious difference between male and female H.
americanus?
Click back and forth to check out the different spider species
in the Habronattus americanus group.
10. Do you think it’s easier to distinguish the different
species of spiders in the H. americanus group based on
the appearance of the males or the females?
Go to California State.
What is the ecological niche of the California State:
11. Bird
12. Reptile
13. Marine mammal
14. Freshwater fish
The San Francisco Bay Estuary is the nation's second largest
and perhaps the most biologically significant estuary on the Pacific
Coast. Millions of shorebirds and waterfowl stop by during their
annual migrations between Alaska and South America. Many overwinter
here. San Francisco Bay is the only site along the Pacific Flyway
where close to a million shorebirds have been counted in a single
day. Go to the U.S.
Fish and Widlife Service and follow the link to the Flyways
page.
15. How is it possible for such a large number of similar bird
species such as curlews, avocets, and stilts to exist in an apparently
homogeneous habitat? They all eat aquatic snails, insects, worms,
and some small fry of fishes.
 
16. Mark the Pacific Flyway route of the Long-billed Curlew and
American Avocet on the map.
17. These birds are found in San Francisco Bay.
Type Birds into the Tree of Life
search box and follow the links to identify their family.
a. To what family do they belong?
b. What do they eat?
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