During gas exchange, the cell membrane of a single-celled organism has the same function as which organ system in humans? 1)nervous

2)reproductive

3)digestive

4)respiratory

4) respiration

Explanation:

bc it allows energy to come in & waste out of the organism

hope dis helps

is called echinoderms

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.