Audio Glossary

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  1. karyotype: The specific number and shapes of chromosomes found in the cells of a particular species.
  2. keystone species: A species that, relative to its own abundance, has a large effect on the presence and abundance of other species in a community.
  3. kidney: An organ that regulates the body's supply of water and solutes and helps dispose of metabolic wastes.
  4. killer T cell: A lymphocyte that binds to cells that have been infected by a virus and helps destroy them.
  5. kinetochore: A plaque of protein on the centromere of a chromosome where spindle microtubules attach during mitosis and meiosis.
  6. kingdom: e largest taxonomic category in the Linnaean hierarchy. Generally six kingdoms are recognized: Bacteria, Archaea, Protista, Plantae, Fungi, and Animalia.
  7. Kyoto Protocol: An international agreement designed to reduce global warming by reducing CO2 emissions.