The answer is Event 1. A solar eclipse occurs when the moon gets between the sun and Earth and blocks the sunlight from reaching Earth's surface during daytime, thus casting a shadow over Earth. A lunar eclipse as represented by Event 2 happens when the moon passes into the shadow of Earth at night and we can see the moon darken.
Diversity is produced by mutation, it is what causes life to have advantages or disadvantages, and thus allow survival of the fittest to choose which mutation is the best suited for it's environment.
Water molecules stick to the cell walls of plant's thin veins which helps prevent the water from falling backwards due to gravity.
A Wisconsin fast plant has 2n= 20 chromosomes
The answer is none of the above