Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
4th Edition
ISBN: 9781259853197
Author: Robert Brooker
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 56.3, Problem 1BC
Core Skill: Connections Look back at Figure 40.21. What is unusual about the reproductive strategy of the mother of thousands plant?
Figure 40.21 Asexual reproduction via somatic embryogenesis. The leaves of this Kalanchoë plant bear small plantlets around the edges. When mature, these plantlets drop off and, under the right conditions, grow into new plants.
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Lab 13 (a)- Vascular Plant Reproduction
Can you recognize if a cone is male or female?
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dicot plant (based on the expected patterns of petals)
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style, ovary, ovules)
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Student Preparation
Read text Chapter 16, pages 366-390.
Figure 1: Alternation of Generations
Mitosis
Spores 00
-+-+
1111
Meiosis
One cell from
Sporophyte
undergoes meiosis
Gametophytes
Haploid multicellular
individuals
1n
2n
- Gamete + Gamete
Fertilization
Sporophyte
Diploid multicellular
individual
1. Are these thalli the gametopytes or sporophytes?
2. Are the thalli haploid or diploid?
Mitosis
Exercise I Marchantiophyta: The Liverworts
Examine with the dissecting microscope the thalli of the relatively large, dichotomously
branching gametophytes of Marchantia
Zygote
3. Are any gemma cups containing gemmae present on your plant?
4. What is the function of gemmae?.
78
Examine carefully with the dissecting microscope the additional liverworts that are
available. Note the dichotomous branching, the midrib-like region, and the air pores on the
upper (dorsal) surface.
5. How is dichotomous branching different from the branching pattern seen in higher
plants?
O
145x3
Activity_BIO 100
(Slide 2 of 3: Pollination vs Fertilization)
Luis Carlos Ahuage
CC
Using Doodling, mark-- using the two flowers-- your explanation for the differences between Pollination and Fertilization
tip: be sure not to cause self-fertilization in your flower!
Stigma
-Stigma
Anther
Carpel
Anther
Carpel
Stamen
Stamen-
Style
Ovary
Ovule
Style
Ovary
Ovule
Filament
Filament
Petal
Petal
(petals = corolla)
(petals corolla)
%3D
Sepal
(sepals = calyx)
Receptacle
Sepal
(sepals = calyx)
Receptacle
Peduncle
Peduncle
You have 8 minutes TOTAL to complete 3 slides. Do not save your recording yet, MOVE TO THE NEXT SLIDE...
0:00 / 0:00 O 1
nere to search
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Chapter 56 Solutions
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
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