Alguien que me ayude por favor, no le entiendo!

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?

When muscles contract, they become .