1. Gymnosperms and Angiosperms 2 TYPES OF TREES!

2. Intro to Gymnosperms

3. Step by step drawing.

11. Conifers: Describe them based on these pictures of them.

12. There are two general types of trees in this area. Copyright © 2010 Ryan P. Murphy

13. There are two general types of trees in this area. –Gymnosperms: Cone bearing, needles. Copyright © 2010 Ryan P. Murphy

14. There are two general types of trees in this area. –Gymnosperms: Cone bearing, needles. –Angiosperms: Flowering, broadleaf, Foliage. Copyright © 2010 Ryan P. Murphy

15. Conifers are not defined as being evergreen or having needles instead of regular leaves, Copyright © 2010 Ryan P. Murphy

16. Conifers are not defined as being evergreen or having needles instead of regular leaves, though that's usually the case. Copyright © 2010 Ryan P. Murphy

17. Conifers are not defined as being evergreen or having needles instead of regular leaves, though that's usually the case. Conifers, as their name hints, bear cones. Copyright © 2010 Ryan P. Murphy

18. Because we are focusing identification, we will cover three types of conifers. –White Pine (Pinus strobis) Copyright © 2010 Ryan P. Murphy

19. White Pine: White has five letters, white pines have needles in groups of 5. Copyright © 2010 Ryan P. Murphy

20. White Pine: White has five letters, white pines have needles in groups of 5. 1 2 3 4 5 W H I T E Copyright © 2010 Ryan P. Murphy

21. White Pine: White has five letters, white pines have needles in groups of 5. 1 W H 2 I 3 T 4 E 5 W H I T E Copyright © 2010 Ryan P. Murphy

22. Red Pines have needles in groups of 2. –2 is less than 5, and Red has fewer letter than white. 1 2 Copyright © 2010 Ryan P. Murphy

23. Red Pines have needles in groups of 2. –2 is less than 5, and Red has fewer letter than white. R D 1 2 E Copyright © 2010 Ryan P. Murphy

24. Fir are friendly to the touch

25. Spruce are spiky to the touch.

26. Eastern Hemlock: The needles are narrow, flat and soft, less than 1 inch long. Copyright © 2010 Ryan P. Murphy

27. Eastern Hemlock: The needles are narrow, flat and soft, less than 1 inch long. Dark green above, with two white lines below. Copyright © 2010 Ryan P. Murphy

28. Eastern Hemlock: The needles are narrow, flat and soft, less than 1 inch long. Dark green above, with two white lines below. Copyright © 2010 Ryan P. Murphy

29. Northern White Cedar: The needles look like scales. Copyright © 2010 Ryan P. Murphy

30. Eastern White Cedar: Copyright © 2010 Ryan P. Murphy

31. Atlantic White Cedar: Copyright © 2010 Ryan P. Murphy

32. Atlantic White Cedar: Copyright © 2010 Ryan P. Murphy Learn more about conifers at… http://www.backyardnature.net/conifers.htm http://www.backyardnature.net/conifers.htm

33. Gymnosperm: Non-flowering, seeds usually arranged on a cone. Gymnosperm: Non-flowering, seeds usually arranged on a cone. Copyright © 2010 Ryan P. Murphy

35. “This is one big cone, It must be one of the largest ever!”

36. Wow!, That’s a big cone!

37. “I agree.” “Why would you ever need a cone that big.”

39. “I could sure go for a sno-cone.”

40. Look at the size of this cone.

41. One Big Cone

42. Angiosperm: Flowering, covered seed, produce seeds enclosed in a fruit /ovary. Angiosperm: Flowering, covered seed, produce seeds enclosed in a fruit /ovary. Copyright © 2010 Ryan P. Murphy

43. Which plant is an angiosperm, and which is a gymnosperm?

48. Copyright © 2010 Ryan P. Murphy

49. Which plant is an angiosperm, and which is a gymnosperm? Copyright © 2010 Ryan P. Murphy

50. Which plant is an angiosperm, and which is a gymnosperm? Copyright © 2010 Ryan P. Murphy

51. Which plant is an angiosperm, and which is a gymnosperm? Copyright © 2010 Ryan P. Murphy

52. Which plant is an angiosperm, and which is a gymnosperm? Copyright © 2010 Ryan P. Murphy

53. Both Gymnosperms and Angiosperms release pollen. Copyright © 2010 Ryan P. Murphy

54. Both Gymnosperms and Angiosperms release pollen. Copyright © 2010 Ryan P. Murphy

55. Both Gymnosperms and Angiosperms release pollen. Copyright © 2010 Ryan P. Murphy

56. Both Gymnosperms and Angiosperms release pollen. Copyright © 2010 Ryan P. Murphy

57. Both Gymnosperms and Angiosperms release pollen. Copyright © 2010 Ryan P. Murphy

59. “I hate Pollen, It gives me wicked allergies.”

60. Picture of pollen under an electron microscope.

62. The male cone of a white pine releasing pollen.

64. Female cone of white pine that receives the male pollen. Copyright © 2010 Ryan P. Murphy

65. The seeds of white pine tree that have fallen out the cone. Copyright © 2010 Ryan P. Murphy

66. The seeds of white pine tree that have fallen out the cone. Copyright © 2010 Ryan P. Murphy Learn more about plant life cycles at… http://urbanext.illinois.edu/gpe/case1/c1facts1b.html http://urbanext.illinois.edu/gpe/case1/c1facts1b.html