Annelids have closed circulatory systems, meaning the blood moves through pressurized vessels. find the dorsal blood vessel and the ventral blood vessel. how does blood move from one to the other? blood is pumped by 5 vessels that encircle the esophagus—locate them. what structure in your body are these 5 pumping vessels analogous to? what are some evolutionary advantages of a closed circulatory system, over relying on diffusion through the body wall as in flatworms and nematodes?

Name the type of chemical that speeds up digestion

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Due i have no idea on this brainliest to the best answer. case #28104 last month, hudson national bank was robbed by an unidentified man. the robber wore gloves, a hat, and a bandana that covered his face. a security guard attempting to stop the robber was knocked unconscious in a struggle. however, the guard managed to pull the hat from the robber's head. witness accounts and security tapes led police to arrest three possible suspects. none of the suspects have alibis, but police are not certain which man is the robber. using hair samples from the hat recovered by the security guard, the crime lab did a southern blot test. hair samples were also taken from each suspect. use the suspects' hair samples to determine the guilty party. suspect a tccatcca / tccatccatcca / tcca / ggcttacctataagg / tggatggatggatggatgga suspect b tccatcca / tccatccaattg / tcca / tccatccatccatccatcca / tggatggatggatgga suspect c ttagcta / ccggtatga / aggt / cgttatcggatata / ggttaggacctatcgataga probe aggt questions answer these following questions in the essay box below. a. which suspect most likely committed the robbery? b. how do you know?