Answer:
10% of an animals energy gets gained as you move up the food chain. the rest of that (the 90%) is used for metabolic processes or given off to the environment as heat.
Explanation:
hope this helps
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.
Make their own food
<span> </span>Plants<span> make their own food in a process called photosynthesis.</span>
Answer:
They cannot use the reasoning, "Dolphins and Ichthyosaurs form a paraphyletic group."
Explanation:
This is because they always form a monophyletic goup. Both of the species have specific morphological similarities that are enough to consider them in monophyletic group instead of a divergent paraphyletic.
Carbon dioxide moves out of the tissues (cells) into the bloodstream to be exhaled in internal respiration.