What is the iron (II) ion? How does it differ from the iron (III) ion

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

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