The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment Which of the following is a possible negative effect of the use of these chemicals on the environment? ​

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