Answer:
Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develops within the deeper skin or body tissues and act as their protective covering.Explanation:
Answer:I got you lol homie it’s C
Explanation
I do what I can add me on insta I will follow u back matthew_coach05
hola soy doragsjgsjgwjwfj Rockwood
organisms
single celled
false
Thats the cell membrane, its lets things in and out of the cell for energy and whatnot
Explanation:
cellular respiration and that stuff
