[DOC] [TLE] J! Archive - Show #2762, aired 1996-09-10 [PAR] Walk like a duck ... The skeleton of a starfish is made of this, CaCO3, just like 
chalk ... Poteen is the Irish version of this illegally-made U.S. whiskey with this... [DOC] [TLE] Frequently Asked Questions - Coral Reef Adventure [PAR] Coral colonies are composed of many tiny, cup-shaped animals called ... 
produce a rock-like skeleton made of the same material as classroom chalk ... 
However, soft corals do produce smaller amounts of calcium carbonate that ... 
One of the most important predators of corals is the Pacific Ocean's Crown of 
Thorns Sea Star. [DOC] [TLE] Chalk It Up to a Global Flood | Answers in Genesis [PAR] Jun 19, 2016 ... At today's rate of ocean-floor buildup, chalk layers would take ... those tools, but 
chalk has made a big comeback among craft-lovers, ... English chalk bed fossils 
include many big seafloor animals like ... So a global distribution of the chalk 
beds required a global Flood cataclysm, just as the Bible describes. [DOC] [TLE] Sea urchin - Wikipedia [PAR] Sea urchins or urchins archaically called sea hedgehogs, are small, spiny, 
globular animals ... Like other echinoderms, they have five-fold symmetry (called 
pentamerism) and .... The mouth of most sea urchins is made up of five calcium 
carbonate teeth or ... However, this has recently been proven to be a 
mistranslation. [DOC] [TLE] Ocean Acidification | Smithsonian Ocean Portal [PAR] To make calcium carbonate, shell-building marine animals such as corals and ... 
Acidification may limit coral growth by corroding pre-existing coral skeletons 
while ... to have trouble building their shells in more acidic water, just like the 
corals. ... Urchins and starfish aren't as well studied, but they build their shell-like 
parts... [DOC] [TLE] The Echinoblog: Secrets of the Starfish Sieve Plate & Madreporite ... [PAR] Jan 25, 2011 ... As you can see, it is composed of a bunch of grooves which are each, ... Not only 
do all sea stars have a madreporite, but ALL echinoderms do as well. ... Other 
than the calcium carbonate endoskeleton in echinoderms-the only other thing ... 
But even an open system like this needs to have an intake valve to... [DOC] [TLE] Irregular Webcomic! #3376 [PAR] Mar 22, 2015 ... Some molluscs excrete shells, made primarily of calcium carbonate, but these 
are ... Starfish don't fit into any of the above three phyla: no bones or .... millions of 
years into calcium carbonate rocks like chalk, limestone, and marble. The soft 
bodies of other phyla are more likely to decay and only become... [DOC] [TLE] Starfish - New World Encyclopedia [PAR] Apr 2, 2008 ... Like other echinoderms, starfish possess an endoskeleton, but do not .... (internal 
skeletons) that are composed of calcium carbonate plates ... A starfish arm can 
only regenerate into a whole new organism if ... Scattered starfish ossicles are 
relatively common in the Cretaceous Chalk Formation of England. [DOC] [TLE] Ocean Acidification - Defenders of Wildlife [PAR] marine plants, just as CO2 in the air is taken up by land plants as ... 0.1 units. 
That may not sound like a lot, but because of ... Many organisms in the ocean 
form external skeletons by secreting ... and chalk. Calcium ... made from calcium 
carbonate, the corals cannot form if ... starfish, share an important feature: they all 
form. [DOC] [TLE] Dead Corals Do Tell Tales : Oceanus Magazine [PAR] Mar 9, 2007 ... Growing a little each day, coral skeletons keep a daily archive of past ocean 
temperatures ... By the time it died around 1800, it looked like a boulder and 
weighed ... It was just what we were looking for: a coral with a past. ... Corals' 
skeletons are made of aragonite, a form of calcium carbonatethe same... [DOC] [TLE] Natural Resources Building - East Entrance Interior - Illinois State ... [PAR] ... the skeletal part of animals related to starfish and ancestors of the present day 
crinoids. ... It was originally calcium carbonate

Question: The skeleton of a starfish is made of this, CaCO3, just like chalk
Answer: calcium carbonate