You have external ear, middle ear and the internal ear. You have the auricle and the ear canal is there in the external ear. Then you have a ear drum, that separates external ear from the middle ear. In the middle ear, you have three tiny bones. Eustachian canal is there in the middle ear. Then you have oval and round window to separate the middle ear from internal ear. In the internal ear, you have vestibulocochlear apparatus and the vestbulocochlear nerve is there.
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The genetic structures located within the nucleolus of each cell are known as chromosomes. These structures are made up of the DNA molecules containing the body's genes.
A circle divides a plane into three parts.
Homologous structures are body parts of different organisms that have a similar form, suggesting a common evolutionary origin. These structures may serve different functions in each organism but share a common ancestry.
All that is needed to make a new plant.
The excretory system of a worm is comprised of three pairs nephridia. Each type of nephridia, the integumentary, septal, and pharyngeal, is located in a different segment.
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Three different resonance structures can be drawn for the sulfite ion (SO3^2-), where the double bond can be placed between sulfur and each of the three oxygen atoms.
The excretory system of a worm is comprised of three pairs nephridia. Each type of nephridia, the integumentary, septal, and pharyngeal, is located in a different segment.
There are three resonance structures for the nitrate ion that satisfy the octet rule. In each of these structures, each oxygen atom has a full octet by sharing electrons through double bonds with the nitrogen atom.