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VASCULAR PLANTS: TRACHEOPHYTES FERNS AND FERN ALLIES Club mosses and whisk tails.

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Presentation on theme: "VASCULAR PLANTS: TRACHEOPHYTES FERNS AND FERN ALLIES Club mosses and whisk tails."— Presentation transcript:

1 VASCULAR PLANTS: TRACHEOPHYTES FERNS AND FERN ALLIES Club mosses and whisk tails

2 Figure 29.23x7 Life cycle of a fern: archegonia The antheridia and archegonia are found on the underside of the gametophyte.

3  FERN GAMETOPHYTES  Haploid or diploid?  What generation is dominant in ferns?

4 Notice the young sporophyte growing from the gametophyte

5 Ground Pine LYCOPODIUM

6 VASCULAR PLANTS: FERNS AND FERN ALLIES Scouring Rushes Ferns (Horse Tails)

7 Figure 29.21x2 Horsetail

8 Figure 29.23x6 Life cycle of a fern: gametophyte

9 Figure 29.24a Fern sporophyll, a leaf specialized for spore production

10 Figure 29.0 Ferns

11 Figure Artist’s conception of a Carboniferous forest based on fossil evidence

12

13 Figure The life cycle of a fern

14 11 structure cell 4 1 process 7 6 process

15

16 Figure 29.23x8 Life cycle of a fern: sporophytes

17 Figure 29.23x1 Life cycle of a fern: mature fern

18 Figure 29.24b Fern sporophyll, a leaf specialized for spore production These are SORI. (singular = sorus) Each contains many SPORANGIA (spore cases)

19 Figure 29.23x2 Life cycle of a fern: sorus Notice the individual sporangia

20 Figure 29.23x4 Life cycle of a fern: mature sporangium

21 Figure 29.23x3 Life cycle of a fern: sporangium

22 Figure 29.23x5 Life cycle of a fern: germinating


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