Potential energy is involved in each of these events. match each event with its source of potential energy. a trampoline expands and contracts from the weight of children a chemical substance reacts with water to give off heat a skydiver jumps from a plane and free-falls toward the ground gravitational potential energy arrowright elastic potential energy arrowright chemical potential energy arrowright

What is a group of organisms that are closely related and share similar characteristics

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

Why are recessive alleles not removed from populations over time? a.individuals can pass recessive alleles on to offspring b.recessive alleles are removed with enough time c.recessive alleles will always reappear after being removed