G give me a quantitative argument to calculate the total length of the DNA molecules in one of your regular cell (imagine that you put all of your chromosomes stretched in one long double helix). .

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?