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Terms in this set (11)
connects to the water vascular system and regulates the amount of seawater in the system
for defense from potential predators.
a defensive organ like a minute pincer present in large numbers on an echinoderm.
takes water out to the arms from the ring canal
Place the following terms in ORDER of the path water takes as it travels through the starfish.
Water enters through the madreporite, passes through the stone canal into the ring canal, from there it enters the ray canal and finally the tube feet.
How does the starfish eat
stomach comes out of its body and secretes an enzyme that breaks down food
what do starfish eat
clams and oysters
What does the term Echinoderm mean
What does the term Pentaradial mean?
Because starfish were eating many clams and oysters, divers were hired to go out and chop the starfish into pieces. After this, fisherman found even more empty clam and oyster shells than before.
For each piece that they chopped up, that piece grows into an individual starfish. So basically, they increased the population.
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