BIO 111 UNCG Exam 1 (Chapters 1-3) Questions and Answers

A single-celled organism isolated from a deep-sea, hot thermal vent was found to have a cell wall but lacked a nucleus. This organism is most likely a member of which of the following domains? - ️️Archaea Imagine there is a species-specific fishing regulation that mandates only adult fish of this species that are 75 cm or longer may be kept and shorter fish must be released. Based on your knowledge of natural selection, you would predict that the average length of the adult fish population will - ️️Gradually decline Which of the following statements is true about chemical elements in an ecosystem? - ️️They recycle within the ecosystem, being constantly reused. Which of the following attributes is common to both prokaryotic cells and eukaryotic cells? - ️️The use of an external membrane to regulate the passage of materials from and to surrounding. All of the individuals of the same species living within a specified area is known as a - ️️Population What is the correct order for the hierarchy of biological organization from the least to the most complex? - ️️molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem. All of the organisms inhabiting a particular ecosystem are known as - ️️A biological community Membrane-enclosed components of cells that carry out specialized functions are - ️️Organelles Which taxonomic domain includes multicellular photosynthetic organisms? - ️️Eukarya Living things are divided into three different domains. Which of these domains are classified as prokaryotes? - ️️Bacteria and ArchaeaStrong evidence in support of the common ancestry of all life comes from - ️️The existence of a nearly universal genetic code. Charles Darwin proposed that "descent with modification" resulted when organisms of a particular species become adapted to their environment because they possess - ️️heritable traits that enhance their survival and reproductive success kin the local environment. Which of these individuals is likely to be most successful in an evolutionary sense? - ️️an organism that dies after 5 days of life but leaves 10 offspring, all of whom survive to reproduce. Which of the following is a distinguishing characteristic of fungi? - ️️obtaining nutrients by absorbing them from the environment. Which of the following is true of a scientific theory? - ️️It generates testable hypotheses, and is supported by a large body of evidence, and is broad in scope. In order for a hypothesis to be used in science, which of the following must be true? - ️️The hypothesis is testable and falsifiable. In her studies of chimpanzee behavior, Jane Goodall collected both qualitative and quantitative data. Which of the following is an example of quantitative data? - ️️Mothers and their infants typically nap for two to three hours each afternoon. Which of the following is a requirement for a good scientific hypothesis? - ️️It must lead to testable predictions. Which of the following is the best description of a control for an experiment? - ️️The control group is matched with the experimental group except for the one experimental variable. Which of the following constitutes a controlled experiment? - ️️growing one set of ten seedlings under white light and one set of the same type of seedlings under red light and measuring their growth over a period of two weeks Which of the following best demonstrates the unity among all organisms? - ️️DNA structure and function Which of these examples illustrates deductive reasoning? - ️️You learned in elementary school that as temperature drops, liquids change into solid form. You are given an unfamiliar liquid and hypothesize that it will become solid if you put it in the freezerSelect the correct statement about the process of scientific inquiry. - ️️It is possible to test hypotheses, such as those involving historical events, without conducting experiments. The universal genetic language of DNA is common to virtually all organisms on Earth, however diverse. What is the best explanation for this fact? - ️️All living things share a common genetic language of DNA because they share a common ancestry.