A pyramid of numbers shows the population at each stage in a food chain . It is drawn as a bar chart with the bars stacked on top of each other. The wider the bar, the more organisms it represents. The producer always goes at the bottom of the pyramid.
Answer:
I don’t believe that you can delete it, but I’m sure you coule just ask brainliest support or something.
Explanation:
Answer:
The electrochemical proton gradient across the inner mitochondrial membrane is used to drive ATP synthesis in the critical process of oxidative phosphorylation. This is made possible by the membrane-bound enzyme ATP synthase, mentioned previously.
Answer: The immune system
Explanation:
The immune system is a complex network of proteins and cells that defends the body against infection or any invasion. The human defense system in the body is actually made up of entire organs and vessel systems like the lymph vessels. The immune system is made up of organs that control the production and maturation of certain defense cells.
Initially, all living things are subjected to attack from disease causing agents. Even bacteria, so small that more than a million could fit on the head of a pin, have systems to defend against infection by viruses. This kind of protection gets more sophisticated as organisms become more complex.