Which of the following is NOT a factor which perpetuates that problem of antibiotic resistance? 1. doctors overprescribe medicine
2. Patients don't finish the entire round of antibiotics
3. Bacteria have the ability to reproduce rapidly through binary fission
4. Human immune systems have weakened over the generations
Please help me ill give you 10pts (:

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.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.