1. imagine a mother and a father who both have freckles and are heterozygous for the trait, or ff. they are the p generation, or parent generation. create a punnett square to show their offspring, the f1 generation..

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

When analyzing tree rings, what do scientists assume a thin ring indicates?

Diffusion and osmosis are forms of passive transport