Biological Organization in Animals

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Presentation transcript:

Biological Organization in Animals

Hierarchy In order to perform the tasks necessary for life (breathing, eating, moving, reproducing) animals must organize their cells in levels of increasing complexity called a hierarchy

1. Cell The basic unit of structure and function of living things

2. Tissue Specialized cells working together to perform a function

3. Organ Different tissues working together to perform a specific task

4. Organ System A group of organs that interact with each other to perform a common task

5. Organism A body made up of tissues, organs, and organ systems, that work together to carry on the various tasks necessary for life

Your turn Read pp. 68 → 69 in your textbook, then answer Q# 3 and 4 on pg. 69 Read pp. 70 → 71 in your textbook, then answer Q# 1 → 3 on pg. 71