Mutation creates new genetic variation in a gene pool, and fertilization increases genetic variation. Given these facts, the gene pool expands through fertilization and: among the following options: - offspring - agriculture - mutation - babies - seeds - zygotes - relocation - competition
mutation

Being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time, and peat moss from bogs is also useful in gardens and as an alternative fuel source. Given these facts, what does vegetation change into after being buried under soil among the following options: - desert - space - grass - blankets - bushes - time - roots - fuel
fuel

The gravitational pull of the Moon on Earth 's oceans causes the tides, and for example, ocean tides are caused by the sun and moon's gravity pulling on the water. Given these facts, what causes tides among the following options: - waves - sunlight - Mass - moon - weight - force - wind - asteroid
moon

Electron transport is the final stage of aerobic respiration, and last, the final project is due. Given these facts, what is the last stage of aerobic transportation among the following options: - formation of acetyl coenzyme A - Glycolysis - electron transport - Dehydration - citric acid cycle - flow of electrons - recovery time from fatigue - weight-lifting
electron transport