Phylum (common name) |
Representative members |
Description |
Approx. # of species |
|
1. |
- giant __________ ___________,
- _____________ ______________
|
- _____________________
- _____________________
- no __________ or digestive cavity
- marine and ________________
|
__________ |
|
2. |
- __________________
- ________________
|
- sessile or _____________
- medusoid form and __________ form in life cycle of some
- stinging __________________
- radial ___________________
|
__________ |
|
3. |
- turbellarians, __________, ______________________
|
- free-living in __________ or fresh water, or _______________
- body flattened _______________________
- mouth but no _________
|
__________ |
|
4. |
- hookworm, pinworm, vinegar eel
|
- cylindrical, _____________, tapered at either end
- free-living or ___________________
- all ______________
|
__________ |
|
5. |
|
- anterior end ringed with ____________, posterior end tapered to a ________
- mostly ______________ with some ________________
- _________________ size
|
__________ |
|
6. |
- ______________________, leeches, polychaetes
|
- _______________ body
- terrestrial and _____________
- _____________ and _________
|
__________ |
|
7. |
|
- muscular _________
- ___________ present in many forms
- all ____________
|
__________ |
|
8. |
- _______________, crab, mites, ticks, _____________, centipedes
|
- segmented _________, some segments may be ____________, jointed ______________, external ________________
- all ______________ and modes of life including _________________
|
__________ |
|
9. |
- ________________, sea cucumbes, sea _____________
|
- adults have ___________________ (5-sided) radial symmetry
- ______________
|
__________ |
|
10. |
- fish, ________________, reptiles, _____________, mammals
|
- ______________ at some time in life history
- all _____________
|
__________ |