What happens when previous adaptations are no longer suitable for changes in the environment? a. artificial selection b. evolution c. adaptations d. extinction

When plants use sunlight to make food, the energy of sunlight is

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different