Across
- 5. An organism that produces complex organic compounds from simple substances present in its surroundings
- 7. Any member of the group of eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds
- 8. The stock of different genes in an interbreeding population
- 9. A branching diagram showing the cladistic relationship between a number of species
- 10. A domain and kingdom of single-celled microorganisms
- 11. Occurs when changes in species' genetic compositions reciprocally affect each other's evolution.
- 14. A shared character is one that two lineages have in common
- 19. The process whereby organisms better adapted to their environment tend to survive and produce more offspring
- 20. A form of learning in which an organism decreases or ceases to respond to a stimulus after repeated presentations
Down
- 1. The branch of biology that deals with phylogenesis
- 2. Structures of different species having similar or corresponding function but not from the same evolutionary origin
- 3. An organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor
- 4. The diversification of a group of organisms into forms filling different ecological niches.
- 6. Any organism whose cells contain a nucleus and other organelles enclosed within membranes
- 12. Movement of something from one place to another
- 13. History of life as documented by fossils
- 15. The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth
- 16. reproduction When an organism reproduces with no mate, or bay itself
- 17. An organism deriving its nutritional requirements from complex organic substances
- 18. A state of inactivity and metabolic depression in endotherms