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of 613 available terms
(13 exact duplicates found)

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5 Written questions

5 Matching questions

  1. tropics
  2. cuticle
  3. paleontologist
  4. gradualism model
  5. resource partitioning
  1. a latitudes between 23.5° north and south
  2. b a scientist who studies fossils
  3. c the division of environmental resources by coexisting species such that the niche of each species differs by one or more significant factors from the niches of all coexisting species
  4. d the view that evolution occurs as a result of populations becoming isolated from common ancestral stock and gradually becoming genetically unique as they are adapted by natural selection to their local environments; Darwin's view of the origin of species
  5. e (1) in animals, a tough, nonliving outer layer of the skin. (2) in plants, a waxy coating on the surface of the stems and leaves that help retain water.

5 Multiple choice questions

  1. the use of living organisms to detoxify and restore polluted and degrade ecosystems
  2. a type of prezygotic barrier between species; the species remain isolated because male and female gametes of the different species cannot fuse or they die before they unite
  3. a diagram depicting patterns of shared characteristics among species
  4. in female mammals, the inactivation of one X chromosome in each somatic cell
  5. the use of living organisms to detoxify and restore polluted and degraded ecosystems

5 True/False questions

  1. gram-positive bacteriabacteria with a cell wall that is structurally less complex and contains more peptidoglycan than that of gram-negative bacteria; these are usually less toxic than gram-negative bacteria


  2. ozone layerevolutionary branches that consist of an ancestor and all its descendants


  3. ABO blood groupgenetically determined classes of human blood that are based on the presence or absence of carbohydrates A and B on the surface of red blood cells; the phenotypes, also called blood types, are A, B, AB, and O


  4. gene cloningthe production of multiple copies of a gene


  5. transcription factora piece of DNA that can exist as a bacterial plasmid; this carries genes for making sex pili and other structures needed for conjugation, as well as a site where DNA replication can start; F stands for fertility