Basically it helps with reproduction in flowers by carrying a male gamete from one flower to another and then fertilizing in cross-pollination with the pistil of another flower.
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For spindle fibers to pull the chromatids towards opposite poles
(D). Evolution is a process where the individuals with the strongest traits for survival in there given environment are able to reproduce more effectively and those traits are inherited by offspring. This is constantly happening to species at different rates based on environmental pressures.
Answer:
Muscles are involved in the digestive system, immune system, and excretory system.
