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Science 6S Sand Dollar Project By : Fatima Rodriguez

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on 6 May 2015

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Transcript of Science 6S Sand Dollar Project By : Fatima Rodriguez

Sand Dollar By:Fatima Rodriguez
The Sand Dollar
The scientific name :
Dendraster Exentricus

The common name:
Interesting Facts

The sand dollar's mouth has a jaw with five teethlike sections to grind up tiny plants and animals. Sometimes a sand dollar "chews" its food for fifteen minutes before swallowing. It can take two days for the food to digest.

Scientists can age a sand dollar by counting the growth rings on the plates of the exoskeleton. Sand dollars usually live six to 10 years.

California sheepheads, starry flounders and large pink sea stars prey on sand dollars. When threatened by pink sea stars, sand dollars bury themselves under the sand. Observers have seen a pink sea star leave a wide path of buried sand dollars as it moves across a sand dollar bed.

The habitat of the Sand Dollar
the Sandy Seafloor.
Question time !!!
Question #1
What's the sand dollar scientific
name and common name ?
Answer #1
Dendraster Excentricus
Good Job!!!
Sand Dollar
Scientific name:
Common name:
Sand Dollar
The Sand Dollar use their
Sea Urchins, Sea Stars , Sea Cucumbers
Low interidal to about 130 feet
from Alaska to Baja California
Crustancean Larvae,Small Copepods,
Full transcript