Which are some animals with both an endoskeleton and exoskeleton or shell?
Some species of animals possess both an internal endoskeleton and an external exoskeleton or shell, providing them with versatile and robust structural support. These animals include:
1. Echinoderms: - Endoskeleton: Calcareous plates and spines - Exoskeleton: Spiny or leathery skin
2. Crustaceans: - Endoskeleton: Chitinous plates - Exoskeleton: Hard shell made of chitin and calcium carbonate
3. Insects: - Endoskeleton: Chitinous cuticle - Exoskeleton: Rigid exoskeleton composed of chitin and other proteins
4. Mollusks: - Endoskeleton: Chitinous or calcareous shell - Exoskeleton: In some species, a mantle or shell provides protection
5. Brachiopods: - Endoskeleton: Calcareous shell - Exoskeleton: Hinged bivalve shell
Related Questions:
What are the major functions of an endoskeleton?
- To provide structural support, protection, and muscle attachment points.
What is the primary material found in insect exoskeletons?
- Chitin.
Which phylum includes animals with both an endoskeleton and a leathery skin?
- Echinodermata.
What is the name for the external shell of mollusks?
- Mantle or shell.
Which group of animals typically has a hinged bivalve shell as an exoskeleton?
- Brachiopods.
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