Genetic variations may result from which of the following? choose all that apply.

question 1 options:

genetic recombination during meiosis.

errors occuring during dna replication.

mitosis producing 2 identical daughter cells.

cell differentiation, which leads to genetic variation.

mutations caused by environmental factors.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these

Are the layers of rock above and below the coal older or younger?