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A:
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- The olfactory pits form from which of the following?a. mesodermb. cartilagec. ectodermd. endodermThis fluid-filled structure is spiral shaped, with lower-pitched sounds traveling further down the spiral. ossicles tympanic membrane cochlea semicircular canal hair cellsWhat are the spaces in between traceculae important for?
- Eyes study guide answrr what you know.Figure 28.21 Which of the following statements about the anatomy of a mollusk is false? Mollusks have a radula for grinding food. A digestive gland is connected to the stomach. The tissue beneath the shell is called the mantle. The digestive system includes a gizzard, a stomach, a digestive gland, and the intestine.Briefly explain the distinct parts of flagellum.
- The function of structure 4, the round window, is to _________. bulge outward to give the fluid of the inner ear somewhere to go when the stapes pushes inward transmit sound from the ear ossicles of the middle ear to the hair cells of the inner ear amplify the sound wave as it is transmitted from the typanic membrane to the ear ossicles prevent fluid in the middle ear from entering the inner ear while allowing sound transmissionWhich of these locomotor organs would likely be the shortest? a. a flagellum b. a cilium c. an extended pseudopod d. a pellicleFill in the blank: The sensory organ of a semicircular canal lies within a swelling of the canal called the _______________________.