Acell that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds.

Nucleic acid certain protein cell membranes certain carbohydrates

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which level of taxonomy has the fewest organisms?