5 Written questions
5 Matching questions
- conservation biology
- gel electrophoresis
- a a technique for separating and purifying macromolecules; a mixture of molecules is placed on a gel between a positively charged electrode and a negatively charged one; negative charges on the molecules are attracted to the positive electrode, and the molecules migrate toward that electrode; the molecules separate in the gel according to their rates of migration
- b the transfer of bacterial genes from one bacterial cell to another by a phage.
- c in an invertebrate animal, a structure used for locomotion or attachment, such as the muscular organ extending from the ventral side of a mollusc.
- d a change in a population's gene pool over a succession of generations; evolutionary changes in species over relatively brief periods of geologic time
- e the science of species preservation; the scientific study of ways to slow the current high rate of species loss
5 Multiple choice questions
- the union (mating) of two bacterial cells or protists cells and the transfer of DNA between two cells.
- a slow but steady rise in Earth's surface temperature, caused by increasing concentrations of greenhouse gases (such as CO2 and CH4) in the atmosphere
- the series of events from birth through reproduction to death
- a shelled egg in which an embryo develops within a fluid-filled sac and is nourished by yolk; produced by reptiles, birds, and egg-laying mammals, it enables them to complete their life cycles on dry land.
- a body cavity that is in direct contact with the wall of the digestive tract.
5 True/False questions
hemophilia → a human genetic disease caused by a sex-linked recessive allele; characterized by excessive bleeding following injury
gastrula → the embryonic stage resulting from gastrulation in animal development. Most animals have a gastrula made up of three layers of cells; ectoderm, endoderm, and mesoderm.
hominid → a species on the human branch of the evolutionary tree; a member of the family Hominidae, including Homo sapiens and our ancestors
pedigree → a family tree representing the occurrence of heritable traits in parents an offspring across a number of generations
radiometric dating → a method for determining the age of fossils and rocks from the ratio of a radioactive isotope to the nonradioactive isotope(s) of the same element in the sample