19.1 Types of Skeletal Systems - Concepts of Biology - 1st Canadian Edition C) Lungs. Digestion of the food particle takes place inside the cell. This site is using cookies under cookie policy . B) Sphenodontia, Anura, Squamata It is formed from three bones that fuse in the adult. The mandible controls the opening to the airway and gut. Describe the feeding mechanism of sponges and identify how it is different from other animals. Biologydictionary.net, April 05, 2017. https://biologydictionary.net/exoskeleton/. The exoskeleton also provides protection against attack from predators, and accidental damage of the soft internal organs. Spongy tissue is found on the interior of the bone, and compact bone tissue is found on the exterior. Beetle B.) The vertebrate skeleton is formed of two different parts: The axial skeleton is the inner skeleton. They have a complete backbone; they have jaws; their endoskeleton is made of cartilage; they are ectothermic. a multicellular organism that is able to move to acquire other organisms for food, has a digestive system to break down food, and has sensory and nervous systems to detect and quickly respond to a stimulus Click the card to flip Flashcards Learn Test Match Created by addiecheney05 Animals Terms in this set (49) Animal Which of the following statements is false? The three types of skeleton designs are hydrostatic skeletons, exoskeletons, and endoskeletons. A ridge, called the spine, runs across the back of the scapula and can easily be felt through the skin (Figure 19.11). This system typically produces around 500 billion blood cells per day. Gemmules are capable of attaching to a substratum and generating a new sponge. This resulted in decreased adductor muscle size and an increased range of motion of the scapulae. 4. ReptiliaTurtles, snakes, crocodiles, lizards. 1. The ulna articulates with the humerus at the elbow. An exoskeleton is the rigid covering found on the exterior of many animals, particularly invertebrates such as arthropods and mollusks. Crab C.) Elephant D.) Tree 2 See answers Advertisement Brainly User C. Elephant. An endoskeleton (From Greek , ndon = "within", "inner" + , skeletos = "skeleton") is an internal support structure of an animal, composed of mineralized tissue.. Overview. C) Turtles There are three different skeleton designs that fulfill these functions: hydrostatic skeleton, exoskeleton, and endoskeleton. C. prokaryote The bones of the skull support the structures of the face and protect the brain. These lamellae form the osteon or the haversian system. Endoskeletons can take several forms, and can differ in complexity, shape and function, depending on the requirements of the animal. Since gemmules can withstand harsh environments, are resistant to desiccation, and remain dormant for long periods, they are an excellent means of colonization for a sessile organism.
Biology 2e, Biological Diversity, Invertebrates, Superphylum Although the skeleton does not necessarily prevent damage to outer organs such as the skin, it provides a great deal of protection for the inner organs. The axial skeleton forms the central axis of the body and includes the bones of the skull, ossicles of the middle ear, hyoid bone of the throat, vertebral column, and the thoracic cage (ribcage) (Figure 19.5). A) Smooth, dry, with many glands This wax layer is highly fragile, so is protected by the outermost cement layer. A digestive fluid is then secreted into the space between the old cuticle and the epidermis, known as the exuvial space. The lower limb includes the bones of the thigh, the leg, and the foot. The femur and pelvis form the hip joint at the proximal end. The presence and composition of spicules form the basis for differentiating three of the four classes of sponges ((Figure)). { "12.01:_Chordates" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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