Acardiologist suspects that a patient has a heart problem. either the valves between the atria and the ventricles or the valves between the ventricles and the body are likely at fault. to test the valves in this order, the cardiologist would

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals