Tuesday, October 23, 2007

questions to answer

Jurd, Richard. D. Animal Biology. New York: Taylor & Francis, 2004.

There are at least 33 phyla of animals. These 3 are the most interesting ones:
Phylum Mollusca: have soft, unsegmented bodies that are usually, but not always, enclosed in hard shells.
Ex: whelks, snails, slugs, clams, mussels, oysters, squids, octopuses

Phylum Arthropoda: have external skeletons as well as jointed bodies and limbs.
Ex: shrimps, lobsters, crabs, woodlice, insects, scorpions, spiders, centipedes, etc

**Phylum Chordata: have elongated bilaterally symmetrical bodies.
Ex: sea-squirts, salps, lancelets, fishes, amphibians, reptiles, birds, mammals.
- focusing mainly on the sub-phylum Craniata or Vertebrata.

Every hybrid need to answer the following questions:
1. What body parts does he have? --- Body Plan
2. How does he breathe and how is his heart structured? ---Respiration and circulatory system
3. How does he eat? --- Feeding
4. How does he move? ---Locomotion
5. How does he reproduce? ---Reproduction
6. How does he communicate? ---Communication
7. How much can he think? ---Intelligence
8. How does he recognize the surrounding environment? ---Sensory system

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