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Jugar Test
1. 
What are echinoderms?
A.
Invertebrates
B.
Vertebrates
2. 
Where do echinoderms live?
A.
lake
B.
ocean
C.
pond
3. 
What do echinoderms used to get oxygen?
A.
pores
B.
gills
4. 
What two systems do they have?
5. 
Give an example of a Echinoderm?
6. 
The spines do what to echinoderms?
A.
protect them from predators
B.
give them shape