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The substance that makes up the hard outer skeletons of certain animals is called?
exoskeleton
What is the great barrier of reef?
The Skeletons of Millions of Coralsmall skeletons of sea animals called polyps.
Which gem comes from the skeletons of tiny sea animals?
Pearls are created inside the shells of certain mollusks, such as oysters and mussels, as a defense mechanism against irritants. The mollusks secrete a substance called nacre to coat the irritant, forming layers over time that create a lustrous pearl.
Many animals also keep their skeletons on the outside of their bodies what is such a skeleton called?
An exoskeleton.
A hard stony material made from the skeletons of sea animals is called what?
Coral reef
What is a group of skeletons?
what is a group of skeletons called
The amount of one substance in a certain volume of another substance is called?
concentration
What is the amount of one substance in a certain volume of another substance is called?
concentration
What is group of skeletons called?
a group of skeletons is called a clutter
What do you call animals that have inside skeletons?
Animals with internal skeletons are called vertebrates. These skeletons provide support and protection for the body's organs and allow for movement through muscles attached to them. Examples of vertebrates include mammals, birds, reptiles, amphibians, and fish.
Animals that do not have internal skeletons or backbones are called?
Animals without back bones are called Invertebrates.
What is a substance called that carries electricity under certain circumstances but not under other circumstances?
A substance that carries electricity under certain circumstances but not under others is called a semiconductor.
