Straighterline Biology StudyGuide Exam

Straighterline Biology Study Guide Exam b Biology Exam Preparation The smallest unit that has all of the characteristics of life is the a. cell. b. tissue. c. organ. d. organ system. e. organism. Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life? a. Living things grow and develop. b. Living things respond to stimuli. c. Living things maintain themselves by homeostasis. d. Living things have levels of hierarchical organization. e. Living things are adapted to the environment. Nutrient molecules are used to build cellular structures or for energy. This best represents which characteristic of life? a. Living things acquire materials and energy from the environment. b. Living things are homeostatic. c. Living things are adapted. d. Living things grow and develop. e. Living things respond to stimuli. Which statement concerning reproduction is false? a. Hereditary information is passed on to the next generation. b. Hereditary information is in the form of genes. c. The offspring of asexual organisms have the same genes as the single parent. d. The offspring of sexual organisms have roughly one half of the genes from each parent. e. The offspring of multicellular organisms tend to be identical to the parent. Which statement regarding science technology is false? a. Science technology has brought about life-improving discoveries, such as antibiotics. b. Science technology helps us to understand the causes of cancer. c. Science technology is a basis for all ethical or moral decisions. d. Science technology may ease the feeding of the world population by producing new plant strains. e. Scientific experimentation may make use of a model instead of an actual subject. Which of the following is a potential consequence if people stop using technology in the agriculture industry? a. There could be a significant decrease in the amount of food produced. b. There would be a collapse of many of the terrestrial ecosystems on Earth. c. The extinction of the top level species that reside in the communities around the agricultural land. d. The amount of food produced would increase. e. None of these consequences will occur if people stop using technology in the agriculture industry. Technology is the . a. application of scientific knowledge for a practical purpose. b. study of living organisms. c. study of the interactions between living organisms and their environment. d. application of common knowledge for a practical purpose. e. application of laws to benefit society. If a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude? a. If the drug was effective in a large number of mice, it will therefore be effective in humans. b. If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans. c. The mice have provided a positive control in this experiment that proves the drug is effective in humans. d. The drug is effective in the mouse model; it must still be tested in humans. e. The effect of the drug on mice has no bearing on the effect of the drug on humans. You have discovered a previously unknown organism. It is multicellular, with a filamentous form, and absorbs food from its environment. Upon microscopic examination, you see that the cells have nuclei. How would you classify this organism? a. domain Bacteria b. kingdom Animalia c. kingdom Protista d. kingdom Fungi e. kingdom Plantae Which classification category includes the most species? a. family b. genus c. class d. phylum e. kingdom Which of the following is one of the domains of life? a. Animalia b. Eukarya c. Molds d. Protista e. Fungi Which sequence of classification categories is in the proper order from least to most inclusive? a. genus, class, kingdom, domain, order, phylum, species, family b. domain, class, genus, family, species, order, phylum, kingdom c. species, genus, family, order, class, phylum, kingdom, domain d. genus, species, order, class, family, kingdom, domain, phylum e. species, genus, family, class, order, phylum, kingdom, domain The three major domains of life are a. plants, animals, and protists. b. bacteria, fungi, and eukaryotes. c. eukaryotes, prokaryotes, and animals. d. archaea, bacteria, and eukaryotes. e. eukaryotes, prokaryotes, and fungi. What is the correct format for the binomial name of human beings? a. Homo Sapiens b. homo Sapiens c. homo sapiens d. Homo sapiens e. Sapiens homo Which sequence correctly lists the different levels of biological organization, from the smallest and simplest to the largest and most complex? a. cells-organs-tissues-organ systems-organism b. cells-tissues-organ systems-organs-organism c. tissues-cells-organs-organ systems-organism d. tissues-organs-organ systems-organism-cells e. cells-tissues-organs-organ systems-organism A physician specializes in surgery involving the following group of organs: mouth, esophagus, stomach, and intestines. Overall, what is the highest level of organization that this physician is specialized in? a. cell b. tissue c. organ d. organ system e. organism When comparing energy and chemicals in an ecosystem, a. both chemicals and energy cycle over and over again. b. chemicals cycle over and over again but energy flows through once. c. both chemicals and energy flow through once. d. energy cycles over and over again but chemicals flow through once. e. neither cycle nor flow but both are simply present. All the organisms of various species living within a given area constitute a(n) a. biosphere. b. ecosystem. c. population. d. domain. e. community. The layer where organisms can exist on the surface of the earth is the a. biosphere. b. ecosystem. c. population. d. homeostasis. e. community. Which of the following is of least importance when concerning the preservation of ecosystems? a. Ecosystem preservation maintains the status of species in their current state. b. Many different organisms perform services that ensure our continued existence. c. Humans derive medicines, food, and many important materials from functioning ecosystems. d. Preservation of ecosystems allows humans to exploit as many resources as possible. e. It is estimated that possibly 400 species become extinct each day due to activities of humans. The most important factor that determines where major ecosystems are located on the globe is a. soil type. b. available vegetation. c. climate. d. oxygen levels. e. political boundaries. As the human population size increases, a. ecosystems remain unaffected. b. fewer fossil fuels are burned and carbon dioxide levels remain constant. c. it becomes evident that preserving the biosphere has no benefit to humans. d. fewer ecosystems are destroyed, resulting in an abundance of biodiversity. e. biodiversity is adversely affected as humans have destructive effects on ecosystems. The term "biodiversity" refers to a. a study of ecosystems without consideration of the living organisms. b. the similarities between species. c. the rate of extinction of species due to human activities. d. the total number of species, variation of species, and the ecosystems in which they live. e. the study of food chains within an ecosystem. All the banded sunfish (Enneacanthus obesus) in a pond would comprise a(n) a. population. b. ecosystem. c. community. d. biosphere. e. species. A community of organisms along with their physical environment constitutes a(n) a. biosphere. b. ecosystem. c. population. d. habitat. e. community.