conifers - Conifers BIOL 1407 Seed Plants Vascular Tissue...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Conifers BIOL 1407
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Seed Plants Vascular Tissue Produce seeds Dispersal of offspring Produce pollen Sperm transfer without water
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Seed Plants Sporophyte dominant Gametophytes Greatly reduced in size Dependent on sporophyte
Background image of page 4
Seed Plants Heterosporous Megaspore Grows into female gametophyte eggs Microspore Grows into male gametophyte sperm Photo Credit for Ovulate Cone: Dr. Stephen Bostic, ACC Circled area: Ovule
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pollen Production Pollen cones have microsporophylls Each microsporophyll has microsporangia Photo Credit for Immature Male Pine Cones: Menchi, Wikimedia Commons
Background image of page 6
Pollen Production Meiosis occurs within microsporangia microspores Photo Credit for Staminate Cone: Dr. Stephen Bostic, ACC Microsporangium circled in red Microsporophyll at tip of yellow pointer Microspores circled in pink
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pollen Production Microspores grow into male gametophytes Male gametophyte = pollen grain
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/01/2011 for the course BIOL 1407 taught by Professor Lisagloyna during the Spring '09 term at Austin Community College.

Page1 / 26

conifers - Conifers BIOL 1407 Seed Plants Vascular Tissue...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online