Quiz 1 Ch1 Name _____________________________ 5. Which of the following groups of organisms contains prokaryotic cells? Please select the most appropriate answer. Remote _____________ a. Bacteria b. Archaea c. Plantae d. Bacteria and Archaea 1. The basic unit of life is the a. Unit body b. Protein unit c. Nucleus d. Cell e. Organism 6. Organisms that can extract energy from light are called __________; organisms that must obtain energy from molecules made by other organisms are called __________. 2. The genetic material is a. protein b. RNA c. A chromosome d. Unknown e. DNA a. herbivores, carnivores b. photosynthetic, herbivores c. heterotroph, autotroph d. autotroph, heterotroph 3. The ultimate source of energy for all living things is a. Food b. Plants c. The sun d. Animals e. The ocean 7. The process of evolution involves __________. a. natural selection of organisms that produce more offspring in certain environmental conditions b. changes in a species due to mutations c. adaptation of an organism to its environment d. all of the above e. the first and third answers above 4. Homeostasis is the process by which __________. a. living things maintain their complex structure and the internal conditions needed to sustain life b. living things reproduce c. some organisms can enter a kind of suspended animation to survive harsh conditions d. like organisms associate with like organisms 8. Bacteria and related organisms have a cellular structure so different and unique, that they are set off in their own kingdom by biologists. Their cell is called: a. Eukaryotic b. Prokaryotic 1 c. Dikaryotic d. Multicellular e. Basal 9. Which of the following terms includes all of the others? a. molecule b. atom c. subatomic particle d. electron 10. The diversity of life is mainly due to __________. a. atoms b. genetic variation c. prokaryotic cells d. organ systems 11. Experiments are carefully designed in an attempt to __________. a. test a single experimental variable b. test multiple experimental variables c. prove a hypothesis d. none of the above 2