Across
- 4. 2n; diploid
- 7. cell structures for gas exchange, made of guard cells
- 9. root modification shown in iris plants
- 11. dead vessels that transport water
- 13. fine, hair-like projections
- 14. scientists use these records to help classify plants
- 17. use basic transport
- 19. seed leaf
- 20. physical traits used for classification
- 22. ferns, horsetails & club mosses
- 23. fuses with another to form a diploid zygote
- 26. tissue near tips of roots and shoots, growth site
- 27. have flowers, fruit, and encased seeds
- 28. produce both male and female cones
- 29. forests of seedless, vascular plants (360-300 mya)
- 30. hair-like, act as anchors, absorb H2O & minerals
- 32. covers and protects the plant, gas exchange, water and ion uptake
- 34. metabolism, storage, and support activities
- 36. support plant, absorbs water and minerals
- 37. growth that has no set limit
Down
- 1. cannot reproduce & expand their habitat without water
- 2. plants make their own food and sustain life in terrestrial habits b/c they are _ producers
- 3. a diagram used to show classification: _ tree
- 5. modified branches for defense
- 6. living cells, mainly functions in photosynthesis, food & water storage
- 8. cork, cork cambium, phelloderm
- 10. angiosperms adapt with their pollinators
- 12. carbohydrate structure that gives strength
- 15. vegetative and reproductive parts of the plant
- 16. the node, internode, and petiole are parts of the _
- 18. plant cell walls are made of _
- 21. have naked seeds
- 24. makes own food through photosynthesis
- 25. twining strands, supports plant by climbing
- 31. aerial roots
- 33. protective barrier formed by lipid polymer & waxes
- 35. increase surface area (2 words)