Using sonar in an ocean environment, you can determine how far below you are from reaching the bottom, or if something bigger picks up, say a whale, which in turns lets you know something big is beneath you. It helps determine how far you are under the water as well.
Answer:
With multiple alleles, that means there are more than two phenotypes available depending on the dominant or recessive alleles that are available in the trait and the dominance pattern the individual alleles follow when combined together.
1 pic : B ; cell divison allows the org to reproduce
2nd : A ; interphase then mitosis and last cytokinesis
Answer: It distributes oxygenated blood to the different tissues, it has to be wide enough to fit everything through as efficiently as it can.
essentially its like a tunnel and tunnels have to be wide to fit everything through
