A catastrophic event with respect to an ecosystem is an event that can cause great damage or suffering to an ecosystem.
Hence options C - introduction of an unchecked invasive species and option E- massive flooding are the correct options.
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Answer:
Explanation:
The components of the cell membrane consists of lipids that includes the cholesterol and phospholipids other components includes the carbohydrates, and proteins. The phospholipid forms the basic structure of the cell membrane. The cholesterol molecules are scattered in the lipid bilayer, these help the membrane in the fluid consistent state.
The main function of the plasma or cell membrane is the protection of the cell from it's surrounding.
Ribosomes are bound to the rough endoplasmic reticulum; the role of ribosomes are to process and modify proteins.
