Answer:
I believe the answer is plasma membrane.
They all contain at least one cell, and they need need food, water, energy, and living space to survive. They are both considered living organisms as well. They depend on abiotic and biotic factors in an ecosystem to survive.
I believe your answer would be Echinoderms and Chordates. I hope this helps!
Answer:
Earth, Solar System, Milky Way galaxy, Universe.
Explanation:
Pls mark brainliest.
