Answer:
Mutualism because i took the test :D
Explanation:
I took the test
They do still exist and are mostly microscopic and consist of various types of bacteria. Two examples can be <span>Actinomyces </span><span>and Bacteroides, both obligate anaerobics, meaning that air actually harms them.</span>
Muscle cells are produced by the brain, but blood cells are produced by the heart.
Answer to 9 is b (because bodily fluid is the easiest way to contract a disease)
And answer to 10 is a (because the disease is transferred by saliva)
Examples of Common Lipids. ... Examples of common lipids include butter, vegetable oil, cholesterol and other steroids, waxes, phospholipids, and fat-soluble vitamins. The common characteristic of all of these compounds is that they are essentially insoluble in water yet soluble in one or more organic solvents