


The more you feed it, the more it will grow high. But if you give it water, then it will quickly die. What could it be? Some kind of animal that lives without water? A desert plant? The answer…

I can move because I have muscles. Muscles that help me move are fastened to my bones and are elastic, like rubber bands. They can stretch out and draw back together again. Some muscles, like the…

> sea urchin on a sponge > A sand dollar isn’t something you can spend. It’s a small animal that > looks somewhat like a silver dollar or a cookie. Sand dollars are also > called sea biscuits or…
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