]Let's Apply Directions: Determine what concept of speciation and evolution is being described in each situation. Choose your answer for the box specified for each set of items. Write your answers on your answer sheet. allopatric speciation peripatric speciation parapatric speciation sympatric speciation 1. Fungi populations in different parts of the same plant individual 2. Two different species of snake, one living on land while the other in the river 3. Populations of mice separated by Sierra Madre Mountain ranges 4. Plant populations in contaminated and non- contaminated soil 5. Fish populations in Pasig River common descent natural selection genetic drift gradualism 6. Green- colored frogs cannot be easily preyed when they stay on the leaves of plants. 7. Modern reptiles are believed to have evolved from dinosaurs. 8. Some changes were observed on the body covering of lobsters as compared to thousands of years. 9. A small population of freshwater fishes adapted the saltwater environment. 10. Dog and whales have similar specific limb structures.

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.