Science

4. hot molten or semifluid rock
6. is an alteration in the nucleic acid sequence
7. the basic physical and functional unit of heredity
10. the change in heritable characteristics
11. substance that has mass and takes up space
15. gases surrounding a planet or other celestial body
16. the ability to do work
18. the worldwide sum of all ecosystems
20. self-replicating material that is present in nearly all living organisms

1. long high sea wave caused by an earthquake
2. the natural home or environment of an animal, plant, or other organism
3. the distance over which the wave's shape repeats
5. method of transmitting information using a series of dots, dashes, and spaces
8. the almost spherical concentric regions of matter that make up the earth
9. a disturbance or variation that transfers energy progressively from point to point
12. the SI unit of power
13. the introduction of harmful materials into the environment
14. combined mass of water found on, under, and above the surface of a planet
17. distinct variant of a phenotypic characteristic
19. action of surface processes that removes soil, rock, or dissolved material