In which generation does sexual reproduction occur? explain your answer (in nonvascular and vascular plants)

Which of the following is a testable hypotheses?

What will happen if two of the base pairs of the stand of the dna are switched

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier