1. A(n) or a physiological a. adaptation c. allele in an organism can be a physical characteristic, a behavioral characteristic, characteristic 2. According to modern evolutionary theory, the Earth is approximately: a.17,000 years old c. 1.2 million years old 3. Which of the following is a characteristic of ALL life forms? a. heterotrophic metabolism c. the ability to photosynthesize a. a Basidiomycete c. an amoebae b. recession d. translation 4. Which of the following organisms is an autotrophic producer? 6. The decomposers include: a. plants and animals c. bacteria and plants 7. DNA is best described as: b. 13.7 billion years old d. 4.5 billion years old a. the hereditary material b. associated primarily with sexual reproduction c. the product of reproduction d. associated primarily with asexual reproduction 5. Which sequence of classification is arranged in the correct order? a. kingdom, phylum, family, order, class, genus, specific epithet b. kingdom, phylum, family, order, class, specific epithet, genus c. kingdom, phylum, class, order, family, genus, specific epithet d. kingdom, phylum, order, class, family, genus, specific epithet 8. At which level does the process of evolution occur? a. population c. community b. contain DNA d. unicellular b. a tomato plant d. heterotrophic bacteria b. fungi and animals d. bacteria and fungi b. species d. ecosystem