{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

7) Life Cycle of Gymnosperms - • Microspores → pollen...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
AP Biology Life Cycle of Gymnosperm 1) Brief Overview of Key Features of Gymnosperms a) Naked-seed (on the cones) b) Windblown seed; therefore relatively light seeds c) Fertilization occurs only once, which means double fertilization does not occur 2) Key Terms a) Megasporangia = produce megaspores that give rise to female gametophytes b) Microsporangia = produce microspores that give rise to male gametophytes
Background image of page 1

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

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • Microspores → pollen grains → pollen tube (male gametophytes) → sperms c) Ovule = It consists of megasporangium, megaspore, and protective integuments d) Pollination =Transfer of pollen to the part of a seed plant containing the ovules 3) Generalized Life Cycle (Pine Trees) – Figure 1 <Figure 1> Life Cycles of Pine Tree...
View Full Document

{[ snackBarMessage ]}