What is the definition these biological terms haemolysis plasmolysis crenation turgidity flaccidity

While crenation occurs in animals cells, cells that have a cell wall cannot shrink and change shape when placed in a hypertonic solution. ... Instead, the protoplasm shrinks, leaving gaps between the cell wall and cell membrane. The cell loses turgor pressure and becomes flaccid.

Explanation:

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the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.