Mr. winters was having a roach problem in his classroom. he bought a product to kill the roaches. the advertisement said that the roach spray would be effective for at least one month. mr. winters and his class kept data on the roaches in the classroom after spraying. based on the results, what could mr. winters infer about the roach spray?

what are the awnser choices? i mean, without choices, it is an incompleat

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.