Across
- 2. do not have vessels to transport materials throughout the plant.
- 4. complete their life cycle in two growing seasons
- 7. penetration of the virus or it’s nucleic acid into a host cell
- 8. tiny particle that contains nucleic acid (DNA or RNA) encased in protein
- 10. plants that complete their life cycle in one growing season
- 11. organic compounds that contain genetic information
- 13. ___ reproduction involves only one parent and the offspring is identical to the parent
- 16. plants that produce seeds but not flowers
- 18. arthropods with hard shells
- 20. movement of particles from an area of high concentration to to an area of lower concentration
- 24. Cellular ___ is the breakdown of food molecules by cells into usable energy
- 27. sum of chemical activities within an organism or cell
- 29. green pigment that captures light energy from the sun.
- 32. flowing extension of cytoplasm that amoebas use to move and obtain food.
- 34. organisms that make their own food from simple substances
- 37. plants that live through many growing seasons and produce reproductive structures each year.
- 38. ___ reproduction involves two parents and the offspring has characteristics from both parents
- 41. external skeleton
- 43. ability of an organism to maintain a stable internal environment
- 45. virus that has its genetic material in the form of RNA.
Down
- 1. microscopic organisms that live near the surface of water
- 3. whip-like structures that help organisms move through liquids
- 5. cell division in which one cell splits into two identical daughter cells.
- 6. have vessels to transport materials throughout the plant.
- 9. organism that eats dead or decaying material.
- 12. tiny, hair-like projections that move rhythmically to help ciliates move.
- 14. organisms that must obtain their food from an outside source
- 15. group of cells organized into a unit in the body.
- 17. vessels that take blood from the body to the heart.
- 19. special proteins that speed up chemical reactions
- 21. separation of a parent plant into parts that develop into a whole new plants.
- 22. series of changes that transform an egg into an adult
- 23. heterotrophic protist that cannot move on their own
- 25. virus that infects bacteria
- 26. blend of secretions and food into a soupy mixture within the stomach
- 28. bitter liquid that helps the small intestine digest/absorb fats.
- 30. organic compounds that are fats and oils
- 31. blood vessels that carry blood away from the heart to the body.
- 33. food that has been chewed into a soft mass
- 35. tiny fingerlike projections that line the folds to increase the surface area of the small intestine
- 36. Most ferns have a horizontal underground stem called
- 39. heterotrophic animallike protists
- 40. diffusion of water through a membrane
- 42. Phase of a plant that produces egg and sperm cells
- 44. Plants that produce seeds and flowers