repared Slide 1. Obtain a prepared slide of a cross section of an earthworm (Fig
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Question
repared Slide 1. Obtain a prepared slide of a cross section of an earthworm (Fig. 17.10). Examine the slide under the 2. Identify the following structures. dissecting microscope and under the light microscope. a. Body wall: A thick outer circle of tissue, consisting of the cuticle and the epidermis. b. Coelom: A relatively clear space with scattered fragments of tissue. c. Intestine: An inner circle with a suspended fold. d. Typhlosole: A fold that increases the intestine's surface area. e. Ventral nerve cord: A white, threadlike structure. Ip in nutrient bsorpton?Esplain your Figure 17.10 Cross section of an earthworm. Cross-section slide as it would appear under the microscope. O Carolina Biological Supply Company/Phototake circular muscle longitudinal muscle dorsal blood vessel typhlosole intestine epidermis nephridium- coelom -ventral blood vessel ventral nerve cord 5xExplanation / Answer
YES,
A typhlosole is an internal fold of the intestine inner wall and increase intestine surface area for more efficient absorption of digested nutrients. It is present in Earth worm.
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