The mechanism responsible for the changes in fish size between generation 1 and generation 100 is the gene flow mechanism.
<h3>What is the gene flow mechanism?</h3>
Individuals may migrate from one group or region to another as part of another evolutionary mechanism. Interbreeding between the migrant individuals and the new population adds their genes to the local population's gene pool. The population's gene flow is established as a result.
For instance, when wind takes seeds far outside the range of the parent plant population, gene flow occurs. Another illustration might be when animals leave a herd. They are compelled to migrate as a result, adding new genes to the gene pool. Because gene flow makes gene pools more similar to one another, it tends to increase the similarity between remaining populations of the same species.
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Answer:
in DNA, Cytosine always forms hydrogen bonds with guanine
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<h3><u>Answer;</u></h3>
Tissues
In vascular plants, cells coordinate to form specialized tissues that deliver food and water to the entire plant structure.
<h3><u>Explanation</u>;</h3>
- Vascular plants are plants that contain specialized vascular tissue.
- Vascular tissues in vascular plants are specialized tissue that transports or carries water and nutrients. Vascular tissue is divided into xylem and phloem.
- Xylem is the vascular tissue that carries water upward from the roots to every part of a plant while phloem is the vascular tissue that transports solutions of nutrients carbohydrates produced by photosynthesis through out the plant
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DNA has three billion letters.
The Unite States Weather Bureau advised the small crafts of Leeward and Windward to remain in the port until the hurricane passed. Hurricane watching and gale warnings were also issued. People were advised to stay in their houses and collect grocery for themselves.