Sedimentary rocks are formed by cementation and compaction. This happens when sediment particles are compressed and fused together over very long periods of time.
The X-gal medium is suitable for detection of gene regulation of the lack operon gene. The media turns from white to blue in the presence of beta-galactosidase, a gene product of lacZ. Beta-galactosidase cleaves lactose into galactose and glucose. Utilisation of lactose as an energy source by Escherichia occurs when there shortage of glucose in the environment.
The answer is chromosomes. Hope this helps!
Punctuated equilibrium (also called punctuated equilibria)
Answer: They all have long, narrow bodies without legs. All worms have tissue, organs, adn organ systems. They also share bilateral symmetry.
Explanation: