<span>If the parent's reproductive cells or gametes contain 12 chromosomes each, the number of chromosomes in the zygote is 24. Fertilization is the fusion of two haploid gametes and results in the creation of a diploid zygote. If two haploid gametes containing 12 chromosomes each fuse, the zygote will have 24 chromosomes (12 + 12 = 24).</span>
I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
The ongoing active collision of the Indian and Eurasian continental plates challenges one hypothesis for plate motion which relies on subduction. ... The collision and associated decrease in the rate of plate movement are interpreted to mark the beginning of the rapid uplift of the Himalayas.
Answer: most likely the desert
Explanation: that’s where they are usually found
Try this web site. It might have the answer. But you might have to scroll down some. https://quizlet.com/16339858/chapter-34-the-plant-body-flash-cards/