All cells have selectively permeable membranes, which means that only they let certain important molecules inside the cell, while the others stay outside the cell.
This occurs by the process of diffusion or osmosis.
The answer is A. Class, because the divisions get smaller and smaller as they go down. Class is before Order so the division would be bigger.
Answer:
The main function is protection, breathing and support.
Explanation:
An exoskeleton covers the entire surface of arthropod animals, such as arachnids, insects, crustaceans, etc. Its main function is the protection, breathing and support of the muscular system, favoring its fossilization.
Answer:
A: Using microorganisms to clean up an oil spill.
Explanation:
Bioremediation is a subcategory under biotechnology which alters environmental conditions with the usage of living organisms. It's a process that focuses on breaking down contaminants - making it an effective method to clean up oil spills due to its efficiency and affordability compared to other options.