front 1 The simplest structure shared among all living organisms is the? | back 1 cell |
front 2 Which of the following is likely NOT a common feature shared among all living organisms? | back 2 All living organisms are composed of similar structures. |
front 3 All living organisms respond and adjust to their environments. The process through which this occurs is called? | back 3 adaptation |
front 4 The process by which organisms maintain a stable internal environment in the face of a fluctuating external environment is called | back 4 homeostasis |
front 5 Polypeptides (proteins) are composed of amino acids as ____________are composed of DNA. | back 5 genes |
front 6 We maintain a fairly constant body temperature despite exposures to different seasons or external temperatures. This is achieved through our capacity to? | back 6 A)adapt to changing environments
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front 7 All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as? | back 7 metabolism |
front 8 Which level of organization includes all other? | back 8 population |
front 9 Which level of organization is required for all others to form? | back 9 cell |
front 10 When cells associate with each other they form? | back 10 tissues |
front 11 When communities of organisms interact with their physical environment they form a(n) | back 11 ecosystem |
front 12 Which of the following is LEAST likely required for the digestion of a meal? | back 12 populations |
front 13 Which is the simplest of all levels of organization? | back 13 atom |
front 14 Which level of organization reflects an individual composed of multiple organ system? | back 14 organism |
front 15 Which of the following are components of molecules? | back 15 atoms |
front 16 Many people at a wedding ceremony represent which level of organization? | back 16 population |
front 17 A flower on a plant represents which level of organization? | back 17 organ |
front 18 The phenomenon through which populations organisms change over several generations is termed? | back 18 biological evolution |
front 19 Changes in _________represent the predominant cause for biological evolution. | back 19 genetic makeup |
front 20 A variety of finch species within the Hawaiian Islands have acquired different types of beaks needed for utilizing specific food resources. The process by which these different species of finches came about is likely to have involved? | back 20 both natural selection and evolution evolution |
front 21 Which of the following is True of a genetic mutation? | back 21 It generally produces a change in the DNA sequence of a gene. |
front 22 New species evolve from pre-existing species by the accumulation of | back 22 genetic mutations |
front 23 Evolutionary change | back 23 A)occurs through the modification of characteristics in a preexisting population
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front 24 In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called? | back 24 horizontal gene transfer |
front 25 The grouping of classification of species is termed | back 25 taxonomy |
front 26 When grouping organisms, which classification is most general for a particular type of organism? | back 26 Kingdom |
front 27 Which Kingdom of organisms is most noted for its ability to carry out photosynthesis? | back 27 Plantae |
front 28 Biologists use nomenclature or the binomial to provide each species with a unique scientific name. Our species is called Homo sapiens. The first word refers to which taxonomical grouping? | back 28 Genus |
front 29 When considering nomenclature for scientific names, what is the difference between the two primates, Homo sapiens and Homo erectus? | back 29 They are animals of a different species. |
front 30 Which of the following is generally more complex than the others? | back 30 Eukarya |
front 31 The complete genetic composition of an organism is called its | back 31 genome |
front 32 Which is responsible for encoding the proteins found in a cell? | back 32 genome |
front 33 If a scientist were studying the interaction of different proteins in the regulation of insulin secretion from a pancreatic cell, he or she would by studying | back 33 both proteomics and cell biology |
front 34 An explanation for a biological process that is substantiated by a large body of evidence is called a? | back 34 theory |
front 35 Collecting data without a specific hypothesis in mind is called? | back 35 discovery-based science |
front 36 This question refers to the 5-stage process of hypothesis testing. What is the appropriate order of the stages when generating and testing a hypothesis? | back 36 1)Observations are made regarding a natural phenomenon
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front 37 Which of the following could be classified as a "transitional form" fossil? | back 37 Hyracotherium, the first fossil of a horse that was found 55 mya. |
front 38 According to Thomas Malthus, food supplies tend to increase arithmetically while populations tends to increase exponentially, which means that populations will out grow their foold supply. | back 38 True |
front 39 Did Darwin develop his theory of evolution through experimentation of observation or other methods? | back 39 Observation |
front 40 The result of natural selection of data. | back 40 adaptation |
front 41 How did Thomas Malthus's ideas, about human population, affect Darwin's ideas on natural selection? | back 41 Malthus theorized that only a fraction of any human population will survive and reproduce. Darwin's observations during his voyage on the Beagle, suported Malthus' theory. |
front 42 Some major changes that occurred in horse body size, foot anatomy and tooth morphology are hypothesized to be due to natural selection because of ... | back 42 changes in global climates which resulted in changing environments from forest to grasslands. |
front 43 The island fox, Urocyon Littoralis, is only found on the Channel Island off the coast of California. This species in not found on the mainland where the gray fox, Urocyon cinereoargenteus, lives. This species would be considered to be | back 43 endemic |
front 44 When Darwin observed several species of finches on the Galapagos Island had unique beak characteristics, he compared them with finch beaks on the mainland. Which of the following studies use geographic distribution of extinct and living species to determine pattern of evolution? | back 44 Biogeography |
front 45 Cacti in the deserts of southwestern North America and some euphorbs of the deserts of Africa, have barrel-shape stems, short-lived leaves,and spines, yet these two types of plants are from different evolutionary lineages. This is an example of | back 45 convergent evolution |
front 46 Selective breeding results from designed to modify traits in domesticated species. | back 46 True |
front 47 English ivy (Hedera helix)and wintercreeper(Euonymus fortunei) both have aerial rootlets that allow them to climb up and stick to bark on trees. As you can tell from their scientific name these plants are not closely related, but yet they have both evolved similar morphological structures used for the same purpose. What type of evolution is this? | back 47 Convergent |
front 48 The underlying phenomenon that makes selective breeding or artificial selection possible is genetic variation. It is possible to have phenotypic variation in natural populations because of. | back 48 differences in alleles for a specific trait |
front 49 Which of the following pairs are NOT homologous? | back 49 the wings of a insect and the wing of chichen |
front 50 When observing the skeleton of a snake, you see the remains of hip and hind leg bones associated with four legged animals. These bones are called... | back 50 vestigial structures |
front 51 In humans, structures that show developmental homology include | back 51 temporary gill slits and bony tail |
front 52 When humans are developing, in utero, they have characteristics. Which type of homology does this typify? | back 52 Developmental |
front 53 Molecular homologies indicate that living species evolved from a common ancestor or interrelated group of common ancestors. | back 53 True |
front 54 If two genes are homologous, then it can be said that they are | back 54 derived from the same ancestral gene. |
front 55 Genes encoding the blood proteins myoglobin and hemoglobin are derived from a common gene ancestor. These proteins both occur in humans. The genes for myoglobin and hemoglobin are | back 55 paralogs |
front 56 Gene families are created when | back 56 genes duplicate. |
front 57 The bacterium Bacillus tumefaciens has been harnessed in biotechnology because it can insert a gene from one species of plant into another. This can also occur in nature and is referred to as | back 57 horizontal gene transfer |
front 58 Which of the following mechanisms may be responsible for the occurrence of exon shuffling? | back 58 both nonhomologous recombination and transposable elements |