6th Grade Science Review Part 3

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Across
  1. 2. An animal with a backbone
  2. 5. The process of becoming an adult through distinctive stages
  3. 8. An animal that has joined legs, has antennae, breathes through gills, and usually has some sort of claws
  4. 10. A vascular plant that does not have flowers and usually produces its seeds inside a cone, with only the seed coat for a protective covering
  5. 14. The four-stage process consisting of the egg, the larva, the pupa, and the adult
  6. 16. To shed an exoskeleton
  7. 17. A thick, long root that grows straight down into the soil
  8. 18. A vascular plant that has flowers and protects its seeds inside a fruit
  9. 20. Tubes that carry water and minerals from the roots to the top of a plant
  10. 22. A thin, rootlike structure
  11. 23. A bonelike substance that is softer and more bendable that bone
  12. 24. A plant with tubelike structures that transport water
  13. 25. An animal that eats only meat
  14. 26. Animals that rely on the environment for warmth
  15. 28. Active at night
  16. 31. An animal that eats only plants
  17. 33. Tiny organelles that deliver a powerful sting
  18. 35. A plant tissue that carries sugars and food throughout a plant
  19. 36. The tiny seed leaves of the embryo, store food for the seeds
  20. 37. A cold-blooded animal that lives in the water and on land
  21. 38. An animal that has jointed legs, a segmented body with an exoskeleton, and antennae
  22. 40. The first root that emerges from a seed
  23. 41. A thin root that grows out in all directions when the primary root stops growing
  24. 43. The leafy branch of a fern
  25. 44. A gymnosperm that has seeds that develop inside cones or fleshy seed coats that look like berries; has needlelike or scalelike leaves; usually an evergreen
  26. 45. The coiled-up frond of a fern that is just beginning to grow
  27. 46. A type of gymnosperm that has flat, fan shaped leaves
  28. 48. An animal that has a soft body and a mantle
  29. 49. An arthropod that has three segments (head, thorax, and abdomen), three pairs of legs on the thorax, and usually two pairs of wings
Down
  1. 1. A group of tubelike structures in a plant
  2. 3. A plant that has one cotyledon; also called a monocot
  3. 4. An animal that eats mainly insects
  4. 6. A plant that lacks structures that transport water and other materials
  5. 7. An animal without a backbone
  6. 9. An angiosperm that that needs two growing seasons to fully develop
  7. 11. The underground stem from which some vascular plants grow
  8. 12. A technique used by some animals that involves making high frequency clicks that bounce off objects and allow the animals to judge distance based on the time it takes the sound to return
  9. 13. An organism that lives and feeds on another organism
  10. 15. The process undergone by many insects that includes: eggs, nymph, and adult
  11. 19. A hard covering that protects the arthropod's body
  12. 21. Having soft, green stems
  13. 23. A layer of cells between the xylem and phloem that reproduces to make more xylem and phloem, causing a tree to grow wider and wider each year
  14. 27. A plant that has two cotyledons; also called a dicot
  15. 29. An angiosperm that lives for only one growing season
  16. 30. An angiosperm that can live for three or more years
  17. 32. An underground stem that stores food for a plant and can reproduce a plant
  18. 34. Animals that have a consistent internal temperature regardless of their environment
  19. 39. An arthropod that has eight legs and two body segments
  20. 42. An animal that eats both plants and animals
  21. 47. One of many similar pieces that make up the soft body of a segmented worm