Answer:
more force needed would be fulcrum at 12 with nickle at 1 the one closest to the nickle would go the furthest
Um D? A fold?? If its right mark as brainleist please
Due to the overproduction of offspring with only finite resources, species begin to engage in competition for survival. In order to increase their chance of survival, certain species will begin to develop genetic variations that allow them survival advantages.
Answer: crossing over
during the process of fertilization, a sperm and egg join together to create a zygote. since a sperm had half the number of chromosomes and an egg has half the number of chromosomes, when they join together the zygote had a complete diploid set of chromosomes. the assortment of chromosomes and crossing over promotes genetic variation during the process of reproduction
I studied this before and I'm pretty sure it's D (sorry if I'm wrong)