The cell membrane<span> is selectively permeable to ions and organic molecules and controls the movement of substances in and out of </span>cells<span>.</span>
The crabs are salt water organisms, so they'll have a higher concentration gradient than the distilled water. In other words, they're hypertonic to the distilled water. This will cause them to take on water and expand; their cells bursting.
Yarn in to sweater as COLOR is to flower
Answer:
I think he should study how the snail develope
A major group of organisms, that are, in general, multicellular, capable of locomotion and responsive to their environment, and feed by consuming other organisms is called Animalia.