5. Label the ovary wall, ovule, integuments, and developing embryo sac in Figures 3. and 4. below. Figure 3. Lilium ovary c.s. Photo by Carolyn Alling olybiolo sdh 236dW A 1
5. Label the ovary wall, ovule, integuments, and developing embryo sac in Figures 3. and 4. below. Figure 3. Lilium ovary c.s. Photo by Carolyn Alling olybiolo sdh 236dW A 1
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Part B: The Embryo Sac
Examine the demonstration slide of a c.s. of a lily ovary. Find an ovule. Identify the
funiculus, the chalaza, the integuments, the micropyle, and the developing female
gametophyte. The latter is commonly referred to as the embryo sac in angiosperms. If
your slide has several embryo sacs, they are likely to be at variable stages of development.
(See text Figure 19-18b,c, page 469.) Like the female gametophyte in pine, the embryo sac
develops from a megaspore.
5. Label the ovary wall, ovule, integuments, and developing embryo sac in Figures 3.
and 4. below.
Figure 3. Lilium ovary c.s.
Photo by Carolyn Alling
126
uilid Sengit
olybiolq sdh ei todW A
Figure 4. Lilium ovule c.s. (Enlargement of inset of Figure 3)
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