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Hydrostatic skeletons - muscles surround a fluid-filled cavity that supports the muscles.; when the muscles contract, they push against fluid in the body cavity, causing the body to change shape (in annelids and certain cnidarians)
Exoskeleton - external skeleton; a hard body covering made of chitin; move by using muscles attached to the inside of the exoskeleton; these muscles bend and straighten the joints (in arthropods)
Endoskeleton - a structural support located inside the body; made of calcified plates; plates support and protect, the animal, and gives them a bumpy and irregular texture (in sea stars and other echinoderms, vertebrates, sponges)
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What three types of skeletons found in animals?
Animals exhibit three main types of skeletons: endoskeletons, exoskeletons, and hydrostatic skeletons. Endoskeletons, found in vertebrates like mammals and birds, are internal structures made of bone or cartilage. Exoskeletons, common in arthropods such as insects and crustaceans, are external hard structures that provide protection and support. Hydrostatic skeletons, seen in organisms like jellyfish and earthworms, rely on fluid pressure within a flexible body cavity to maintain shape and facilitate movement.
What are three types of main clouds?
The three main types of clouds are...cumulusstratuscirrus
What are the three types of fish?
The three main types of fish are bony fish, cartilaginous fish, and jawless fish. Bony fish have skeletons made of bone, cartilaginous fish have skeletons made of cartilage, and jawless fish lack true jaws. Each type of fish has unique characteristics and adaptations to their environments.
What are the three main types of lipid?
Triglycerides, Phospholipids and Steroinds.
What are the three main types of fabric?
what are the three main weave types?the three main types of weaving are the plain weave, twill weave, and probaly the rib or basket weave.
What are the three main weave types of fabric?
what are the three main weave types?the three main types of weaving are the plain weave, twill weave, and probaly the rib or basket weave.
What are the three main types of stress in a rock?
The three main types of stress in a rock are shearing, tension, and compression.
What are the main types of clouds?
The three main types are Cirrus, Cumulus, and Stratus
What are the main types of transport?
The three main types of transportation are: * water * air * land
What are the main types of folds?
the three main types of folds are anticlines, synclines, and monoclines.
What are the three main types of seismographs?
The three types of the Seismographs are: - magnitude,shaking and focus.
What is the three types of blood vessel?
The main three types are; arteries, veins and capillaries.
