Platyhelminthes is the first phylum to possess a coelom. a. true b. false

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Did you get it practica de gramatica level 2 pp. 42-43 worksheet answers

Pls 15 points light ray 1 strikes the smooth surface of a mirror as shown below. which of the following is the reflected ray for ray 1? ray 2 ray 3 ray 4 ray 5