1. Draw a blastula
1. label the dermal
layers
2. Draw a gastrula
1. label the dermal
layers and blastopore
3. Draw an acoelom body
plan
1. label the dermal
layers
4. Draw a pseudosoelom
body plan
1. label the dermal
layers
5. Draw the begining of
an enterocoelous coelom formation
1. What germ layer
produced the mesoderm?
2. Does this plan create
a Deutoerostome or a Protostome?
6. Draw an eucoelom body
plan ("eu" means true)
7. What are the benefits
of a true coelom?
8. Draw an organism with
spherical symmetry
9. Draw an organism with
radial symmetry
10. Draw an organism with
bilateral body symmetry
1. Where is the sagittal
plane?
2. What is the
evolutionary advantage of bilateral symmetry?
11. What is an example of
a unicellular organism?
1. What domain does it belong
to?
12. What is an example of
a multicellular organism?
1. What domain does it
belong to?
13. What phylum is a sea
urchin in?
1. What are some unique
characteristics of this phylum?
2. What are the classes
of this phylum?
3. Draw a picture of one
organism that belongs in each class
4. Label the
characteristics of the phylum in each picture (some may not have all the
characteristics)
5. Do any of these
classes have their own unique characteristics? If yes, draw and label
14. Draw a Sea Star
(big... we are drawing the water vascular system)
1. Draw and label all of
the following: (you should know these on your own)
1. Ampulla
2. Stone canal
3. Lateral canal
4. Ossicles
5. Ring canal
6. Ambulacral groove
7. Podia
8. Radial canal
9. Madreporite
2. Take a pencil or
marker and show the path that the water follows to create suction in the tube
feet
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