Answer: A scientific question can be answered through an investigation. What is tested? Scientists call this an independent variable.
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Alleles in the F1 must be Tt to have height variety in the F2.
Answer:
Salt water fish are perfectly adapted to their salty environment and need osmosis to live. The replacement fluid taken on to replace the lost water is desalinated by a process known as diffusion. Diffusion allows fish to live in a state of constant osmosis
