All living things are made up of how many cells? question 1 options: one or more two or more three or more manywhich of the following is an advantage for a single-celled organism?   question 2 options: it can tolerate all environmental conditions. it does not have to maintain its structure. it can become very large. it can reproduce quickly.  1.13 quiz: single-celled organisms pool 3 question 3 (2 points) question 3 unsaved which types of organisms were the very first living things on earth? question 3 options: unicellular organisms the first living things on earth were not made of cells. multicellular organisms both multicellular and unicellular orgnisms question 4  (2 points) question 4 unsaved which statement best describes how decomposers obtain energy? question 4 options: they use carbon dioxide to obtain energy. they feed on dead organisms. they make their own food using water. they can obtain energy from the sun.