Arthropods like shrimp molt because a. their hard exoskeleton cannot grow larger. b. their body grows faster than their exoskeleton. c. their exoskeleton is damaged. d. their exoskeleton cracks and lets in water.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

About __ of the mass of the cell is water