A pirate captain forces a prisoner to walk the plank. As the prisoner is walking, they have J of kinetic energy. The potential energy from being so high above the water is times greater than the kinetic energy. What is the prisoner's mechanical energy?

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent