How do symbiotic relationships evolve? ! ! i need

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To get this concept you need to understand natural selection. This is where nature favors those with better adaptations for survival. Certain species help others get things for survival e.g food. As natural selection goes on, these organisms depend more on the symbiosis for survival because natural selection favored those traits over others.

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- Hannah ❤

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

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