Small leaves protect desert plants from animals that eat plants.
<span>
24. They supply cells with nitrogen.
25. Cellulose
26. Protein
27. </span><span>They help bring about chemical reactions.
28. </span><span>hydrogen bonds
29. </span><span>starch
30. </span><span>It has all nine of the essential amino acids.</span>
Is the question multiple choice?
Discovery of Bacteria and Other Achievements. Antony Leeuwenhoek was the first person to see bacteria. Through the late 1670s, he sent comprehensive data and detailed drawings of his sightings of bacteria and algae to the Royal Society in London.