Across
- 3. the absorption of liquid by a solid, causing it to swell without dissolving into a solution.
- 4. a natural or chemical substance added to soil or plants to provide essential nutrients for growth.
- 5. texture how "fine" or "coarse" a soil is, determined by its specific mix of sand, silt, and clay.
- 6. main part of plant that holds everything up
- 9. leaves of plant or tree
- 17. a way of creating offspring from 2 parents
- 18. stage the phase in an organism's life cycle when it reaches maturity and is capable of producing offspring
- 19. the minimum amount of energy that must be provided to compounds to result in a chemical reaction
- 20. the layer of soil directly beneath the topsoil, where leached minerals and clay accumulate
Down
- 1. the biological process by which plants and other organisms use sunlight to convert water and carbon dioxide into energy-rich food and oxygen.
- 2. structure the arrangement of soil particles into distinct clumps or aggregates called peds
- 7. the uppermost layer of the soil
- 8. the thick central vein of a leaf that provides support and transports fluids
- 10. a technique where tissues from two different plants join together so they grow as one
- 11. the underground parts of a plant that absorb water, minerals, and provide stability
- 12. profile a vertical section of soil showing its different layers, or horizons, from the surface down to the parent rock
- 13. a way of creating offspring from a single parent
- 14. a form of asexual reproduction where a new organism grows as an outgrowth, or bud, from the body of the parent.
- 15. a flat, green plant part that turns sunlight into food.
- 16. small, undeveloped shoot that can grow into a new leaf, flower, or stem.