Posted: February 13th, 2017

The simplest entity that exhibits all of the properties of life is called a(n) A) tissue. B) molecule. C) organism. D) cell.

The units of inheritance are A) twins. B) genes- C) heredities. D) metabolic activities. E) evolutions. 2. Which of the following includes other levels of hierarchy? A) kingdom B) domain C) family D) phylum E) order 3. The first step in the scientific method is to A) propose a solution. B) draw a conclusion. C) perform an experiment. D) predict the results of an experiment. E) identify a problem. 4. Which of the following concepts best describes the wide variety of dog species we observe, ranging from the domesticated golden retriever or the basset hound, to the wild dogs of Africa, to foxes? A) special creation B) taxonomy C) preadaptation D) inheritance of acquired characteristics. E) evolution 5. The simplest entity that exhibits all of the properties of life is called a(n) A) tissue. B) molecule. C) organism. D) cell. 6. Organisms that have descended from the same initial group and have the ability to interbreed belong to the same A) family. B) class. C) order. D) genus. E) species. 7. Which list is organized from smallest to largest level of organization of life? A) organelles, tissues, cells, organ systems, organs, organisms B) tissues, cells, organelles, organs, organ systems, organisms C) organelles, cells, tissues, organs, organ systems, organisms D) cells, tissues, organ systems, organelles, organs, organisms E) organisms, organ systems, organs, tissues, cells, organelles 8. Young multicelled organisms usually start out small, then grow in size, and increase in complexity. This process is called: A) development. B) heredity. C) evolution. D) metabolism. E) heredity. 9. To maintain order within their cells and organs, all living things must A) be able to move. B) constantly change. C) reproduce. D) extract energy from sunlight. E) carry on metabolism. 10. Characteristics usually associated with life include all of the following except: A) a high degree of organization. B) motility. C) lack of change from generation to generation. D) responsiveness to stimuli. E) reproduction. 11. If an ecologist is studying the cycling of carbon through a particular environment (which involves the movement of carbon through living things as well as through rock, air, and water), the scientist is studying at what level of ecology? A) organismal B) community C) ecosystem D) population E) biosphere 12. Scientists have found that ancient fossils A) are less similar to present-day organisms than more recent fossils. B) are more similar to present-day organisms than more recent fossils. C) are very similar to present-day organisms. D) are just as similar to present-day organisms as more recent fossils. E) bear no resemblance to present-day organisms.