The results of Meiosis I are two diploid cells with genetic differences on the chromosome. These differences are a result of crossing-over. Crossing-over is a process that happens after both homologous chromosomes in a pair join up to form a structure called a tetrad. Tetrads form through a process called synapsis.
A tide is the periodic rising and falling of Earth's ocean surface caused mainly by the gravitational pull of the Moon acting on the oceans. Tides cause changes in the depth of marine and estuarine (river mouth) waters. Tides also make oscillating currents known as tidal streams (~'rip tides'). This means that being able to predict the tide is important for coastal navigation.
Spring Tides. Spring tides are the result of the moon and sun working together to exert more pull on the earth's oceans. When the moon is in its full and new stages the earth, sun and moon are all aligned.This extra gravity pulling on the same point of the earth causes stronger high and low tides.pring Tides. Spring tides are the result of the moon and sun working together to exert more pull on the earth's oceans. When the moon is in its full and new stages the earth, sun and moon are all aligned.