Across
- 7. - remains of once living things, fossil remains include bones, shells, teeth and also feces.
- 9. -each set of three nitrogenous bases in mRNA representing an amino acid or a start/stop.
- 11. - Species change over time.
- 14. - soft, weak upper portion of the mantle where the lithospheric plates float and move around
- 15. - A curved mirror in which the reflective surface bulges away from the light source. It is called a converging mirror.
- 17. - any break in a rock in which no significant movement has taken place
- 18. - process of converting information in mRNA into a sequence of amino acids in a protein.
- 19. - vibration of earth due to the rapid release of energy.
- 21. - Coined from the words smoke and fog, an environmental pollutant.
- 22. - The substance entering a chemical reaction.
- 24. - produced by vibrating or flowing charges
- 27. - The ability to survive and produce offspring.
- 30. - an organism in its early stages of development, especially before it has reached a distinctively recognizable form.
- 31. - The maximum number of organisms that an environment can support.
- 32. - process of copying DNA sequence into RNA.
- 35. - The resulting substance after a chemical reaction.
- 36. - Number of cycles a wave completes in one second; expressed in Hertz.
- 38. - brings information from the DNA in the nucleus to the cytoplasm.
- 40. - can step- up or step- down voltages using the principles of electromagnetic induction.
- 41. - a break in a rock along which movement has occurred
- 42. - an event in which a slab of rock thrusts into the mantle
- 44. - also called ovum (plural: ova); the female gamete.
- 46. - The number placed before the formulas, used to balance a chemical equation.
- 47. - A constant increase in the number of a population.
- 50. - shorter term for spermatozoon (plural: spermatozoa); the male gamet.
Down
- 1. - the building blocks of a protein molecule
- 2. - rigid sections of the lithosphere that move as a unit
- 3. - a polished or smooth surface (as of glass) that forms images by reflection.
- 4. - Substance that slows down or retards a chemical reaction.
- 5. - A community of organisms that live, feed, and interact with the environment.
- 6. - A curved mirror in which the reflective surface bulges towards the light source. It is called a diverging mirror.
- 8. - a device used to record earthquake waves
- 10. - a concentration of heat in the mantle capable of creating magma
- 12. - A kind of lens that is thicker in the center than the edges. It is called a converging lens.
- 13. - The distance measured from one crest of a wave to the next crest or from one trough to the second trough.
- 16. - The variety of life forms in a particular ecosystem.
- 20. - a type of RNA that attach the correct amino acid to the protein chain that is being synthesized in the ribosome.
- 23. - the science that studies Earth
- 25. - the process by which an organism produces offspring and thus perpetuate the species.
- 26. - Short for radio detecting and ranging. A way of detecting aircraft and ships from a distance and estimating their locations.
- 28. - a record made by seismograph
- 29. - object that has the magnetic ability to attract objects made of iron or other magnetic substances.
- 33. - An insoluble solid that separates from the solution
- 34. - A kind of lens that is thicker at the edges and thinner in the center. It is called a diverging lens.
- 37. - an electrochemical gradient moving along a neuron.
- 39. - the outer portion of the earth
- 43. - branch of geology that deals with the movements that shape the Earth’s crust
- 45. - a segment of DNA or RNA that codes for protein or RNA, a molecular unit of hereditary trait.
- 48. - a depression in the seafloor produced by subduction process
- 49. - short for radio detecting and ranging.