Why is it more common to find short food chains than long food chains?

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.

Why has two different alleles for the same trait?