Sponges have several different cell types. Some hold the sponge to a rock, so the waves can’t wash it away.
Some cells are pumps, and pump water through the body of the sponge. Some cells are filters, that filter
food particles out of the water, digest them, and feed the other cells.
Some cells are pumps, and pump water through the body of the sponge. Some cells are filters, that filter
food particles out of the water, digest them, and feed the other cells.
What must sponge cells be able to do for this to be possible?
Humans have thousands of different cell types.
In what respects must human cells be like yeast cells?
In what respects must human cells be like sponge cells?
In what respects are human cells likely to be different from yeast or sponge cells?
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