The earliest embryonic region from which the entire nervous system eventually develops is the ventricle. ependyma. neural tube. neural plate. neural crest.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

What makes a dominant allele different from a recessive allele

Select the correct answer from each drop-down menu proteins are