21. Explain how the wing structures of the kiwi bird and the ostrich are different from the wing structure of the eagle. (Hint: Take a look at the bird skeleton pictures and reflect on the size of the wings in each organism.)
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Why is it important that human chromosomes have many origins of replication

Select all the correct answers. which statements fail to meet the requirements of a scientific claim? 1 even though evidence indicates that the solar system's planets follow elliptical paths, copernicus's model involving circular orbits is true. 2 the evidence supporting newton's laws of motion was accurate in newton's time, but the universe operates differently today. 3 flowers that reflect the most ultraviolet light are more likely to attract bees and other pollinators than flowers that reflect less ultraviolet light. 4 in the final 100 meters of a 10,000-meter race, an athlete's speed is more strongly related to anaerobic efficiency than to aerobic efficiency.

Dna is colied into chromosomes in a cell