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What are the muscular protrusions of the heart called?
Papillary muscles
Why are Echinoderms classified into phylum Chordata?
Echinoderms are not classified in phylum Chordata. They belong to their own phylum called Echinodermata. Chordates, on the other hand, are characterized by the presence of a notochord, which echinoderms lack.
Are crabs echinoderms?
No, crabs are not echinoderms. Echinoderms are a group of marine animals that include starfish, sea urchins, and sea cucumbers, characterized by their radial symmetry. Crabs belong to a different group called crustaceans, which includes animals like lobsters, shrimp, and barnacles.
What are protrusions into the lumen called that create an increased surface area for nutrient absorption in the small intestine?
Villi
What are the main characteristics and groups of echinoderms?
Echinoderms are invertebrates with an internal skeleton and a system of fluid-filled tubes called a water vascular system. There are four major groups of echinoderms: sea stars, brittle stars, sea urchins, and sea cucumbers.
What is the structure that connects a muscle to a bone called?
The structure that connects a muscle to a bone is called a tendon.
What is the structure that connects bone to muscle called?
The structure that connects bone to muscle is called a tendon.
What is the structure that connects the muscle to the bone called?
The structure that connects the muscle to the bone is called a tendon.
What are Sand dollars and sea urchins called?
They, along with starfish, are called echinoderms, pronounced eek-AYE-no-derms.
What does echinoderms eat?
they put it in their mouth and suck on it with tinny teeth called dumb axes
What is the cord that connects my camera to my TV called?
The cord that connects your camera to your TV is called a video out cable.
What is the cartilage that connects the ribs to the sternum called?
The cartilage that connects the ribs to the sternum is called costal cartilage.
