match each type of fossil to its description
petrified fossil
living thing turned to rock
cast
detail left after an organism decays
trace fossil
solid copy
mold
hollow form
carbon film

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Which of the following typically characterizes a tropical rainforests

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?