Across
- 7. the production or development of an ovum
- 8. an abnormally rapid heart rate
- 9. the branch of science that deals with microorganisms
- 11. the joining of two DNA strands or other molecules by a phosphate ester linkage
- 12. of, forming, or situated at the end or extremity of something
- 13. the era between the Precambrian eon and the Mesozoic era; animals include trilobites
- 16. relating to or denoting an organism that contains genetic material
- 18. the last period of the Paleozoic era; animals include synapsids, Eryops, and Dimetrodon
- 22. the production or development of mature spermatozoa
- 24. any of the class of sugars that cannot be hydrolyzed to give a simpler sugar
- 26. have an intense feeling of longing for something
- 28. a man who pursues a relationship with a particular woman
- 29. mountains or hills having craters or vents through which lava and rock fragments erupt
- 31. the earliest eon of the earth’s history; animals include algae, bacteria, and jellyfish
- 33. relating to the nucleus of a cell
- 34. the era between the Paleozoic and Cenozoic eras or the system of rocks deposited during it
- 35. a rate, number, or amount in each hundred
- 36. the branch of biology that deals with phylogenesis; also called phylogenesis
- 37. relating to or affecting the human spirit or soul as opposed to material or physical things
- 39. a feeling of excitement and mystery associated with love
Down
- 1. a card sent on St. Valentine’s Day to a person one loves or is attracted to
- 2. the production by a single gene of two or more apparently unrelated effects
- 3. relating to or determined by polygenes
- 4. a molecule containing a very large number of atoms, such as a protein or nucleic acid
- 5. the second period of the Paleozoic era; animals include graptolites, trilobites, and brachiopods
- 6. fastening or closing securely; prevent something from escaping by closing a container or opening
- 10. a person who travels on foot
- 14. a piece of legislation enacted by a municipal authority
- 15. relating to a president or presidency
- 17. the failure of one or more pairs of homologous chromosomes to separate
- 18. understanding how genetic difference among individuals cause varied responses
- 19. the devising or choosing of names for things; the body or system of names
- 20. a diploid cell resulting from the fusion of two haploid gametes
- 21. a tax or duty to be paid on a particular class of imports or exports; a list of taxes on imports
- 23. the third period of the Paleozoic era; animals include graptolites, tubeworms, and brachiopods
- 25. the occurrence and development of events by chance in a happy or beneficial way
- 27. the process of providing or obtaining the food necessary for health and growth; food
- 30. the branch of science concerned with classification; the classification of something
- 32. a carnival held in some countries on Shrove Tuesday
- 38. a supercontinent that included all current land masses