Like a prokaryotic cell, a eukaryotic cellhas a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryoticcells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)
High concentration to low is called diffusion
Explanation: Elephants have been extensively hunted for ivory for more than 300 years, natural selection is often proposed as the underlying mechanism for an increase in the proportion of tuskless or small-tusked elephants in a population.
Answer:
It serves a protective function against bacteria and the wearing away of certain organs by lining various structures. Also prevent water loss.
Explanation: