TAXONOMY: The Science of Classifying WEBQUEST Name______HR ____

Go to WIKI > Quest = Butterfly

This webquest was adapted from: http://evolution.berkeley.edu/evolibrary/article/0_0_0/arthropods_intro_01

I. 

Introducing the Arthropods

Name types of animals are arthropods: ______

Sheer numbers: Record the Three amazing facts:

Habitat and BioGeography: Click on the magnifying glasses- choose 3 “Extremes” to summarize

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Ecological Niches : Will Work for Food… Name and summarize the creatures you meet…

*Day Spa? / *Sting Operation? / *Easy?? / *Yard Work? / *Totally Organic?

II.  What is an arthropod- Learn the derived traits the distinguish the arthropods…

List at least two facts that make the arthropods a success.

Modern arthropods include insects, ______, centipedes, ______, and crayfish. All arthropods are the ______of a single common ______. Just as you and your biological ______can trace your ancestry back to a common set of ______, all arthropods can trace their ancestry back to a ______arthropod ancestor. Any species descended from that ancestor is an ______. And any species not descended from that ancestor is ______an arthropod.

Inherited Characteristics-

Most Arthropods have these characteristics What does that do for organism? Try This!√

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Answer the Quest-ions presented:

Q- How did ______contribute to the evolutionary success of trilobites?

A-

Q-How did______contribute to the evolutionary success of crustaceans?

A-

Crustacean Limb Specialization - Meet in “the garage” Name / What’s with the Tool Analogy?

Leaf Blower? / Vice Grips? / Pry Bar? / Hammer? / Rake? / Paddle?

Crustacean Adaptations Name it / Why is it a Useful Adaptation?

E / J - wait - animation! / M

Opportunity ______but does not respond to ______. Whose idea was that?

CONCLUSION:

The path not taken

Evolution has produced overwhelming ______and amazing ______— but, as you've just seen, ______is not all-powerful. Evolution is an ______process, constrained by ______laws (such as ______), by ______(which might, for example, ______the directions for building breathing organs in a particular way), and by the ______(which might not, for example, contain a niche for a large, slow-moving, and fragile ant).

Four arthropod species you could interact with today:

Amazing, but not unusual

… the evolution of arthropods is actually fairly typical. Their evolutionary history has been shaped by the same processes that operate on all lineages: natural ______, sp______, e______, o______, and c______. Every branch on the tree of life has its own fascinating story involving these same elements.