How do mutations affect organisms when they occur? !
answers:

they are harmful.

they are .

they have no effect.

any of the above may be true.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.