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Which level of organization is seen in earth worms?Cell levelTissue level Organ levelOrgan system level

Question

Which level of organization is seen in earth worms?Cell levelTissue level Organ levelOrgan system level

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Solution

Earthworms exhibit all four levels of organization.

  1. Cell Level: This is the most basic level of organization. In earthworms, cells combine to form tissues. These cells carry out specific functions necessary for the survival of the organism.

  2. Tissue Level: Tissues are groups of similar cells that work together to perform a specific function. In earthworms, different types of tissues can be found, such as muscle tissues for movement and epithelial tissues for protection.

  3. Organ Level: Organs are structures composed of two or more different types of tissues. They have specific functions and usually have recognizable shapes. In earthworms, examples of organs include the heart, brain, and intestines.

  4. Organ System Level: This is the highest level of organization. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body. In earthworms, examples of organ systems include the digestive system, the circulatory system, and the nervous system.

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