EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 30.1, Problem 2BC
Summary Introduction
To explain: The similarity between wind-dispersed pine seeds and wind-dispersed fruits of the
Introduction: The dispersion is a mechanism of the propagation of the seeds, in far off places by the use of different physical, chemical, and biological agents. Wind is one of the most important agents which help in the dispersal of many fruits. Some plants have accustomed themselves to produce seeds at the time of favorable wind conditions for ensuring the dispersal of their fruits.
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VISUAL SKILLS Which mature seed lacks an endosperm?What happened to it?
Exercise 2:
Construct an indented dichotomous key on the following groups of plants:
Bryophyta
Lower Vasuclar plants
Higher Vascular plants
Gymnosperms
Angiosperms
Pteridophyta
Equisetophyta
INSTRUCTION: Write True or False.
1. An aggregate fruit develops from the fused ovaries of a floral cluster.
2. In the fern leaf, the clusters of sporangia are called sporophylls.
3. The plumule is the first seed leaf that absorbs and digests nutrients needed for seed germination.
4. A false fruit develops from the expansion of the hypanthium or floral tube that encloses the ovary.
5. The endocarp is the edible fleshy part of the fruit.
6. In a bean seed, the part of the embryo which develops into the leaves and upper portion of the stem is known as the hypocotyl.
7. The embryos of corn and other grass seeds are partially enclosed in a protective sheath called the coleorhiza.
8. The embryonic shoot system is the radicle.
9. The seed coat develops from the nucellus of the ovule.
10. In the Zea mays seed, the aleurone layer is located outside the endosperm layer.
11. The pedicel bears more than one flower in a cluster.
12. The sunflower (Helianthus sp.) is an example of a capitulum…
Chapter 30 Solutions
EBK BIOLOGY
Ch. 30.1 - Core Skill: Connections Look ahead to Figure...Ch. 30.1 - Prob. 1CCCh. 30.1 - Prob. 2BCCh. 30.2 - Prob. 1CCCh. 30.2 - What other trait occurs widely among angiosperms...Ch. 30.2 - What advantage does the nonshowy perianth of grass...Ch. 30.2 - CoreSKILL Designing an experiment requires a plan...Ch. 30.2 - Prob. 2EQCh. 30.3 - Prob. 1CCCh. 30.4 - Prob. 1CC
Ch. 30 - What feature(s) must be present for a plant to...Ch. 30 - Prob. 2TYCh. 30 - Prob. 3TYCh. 30 - What similar features do gymnosperms and...Ch. 30 - Prob. 5TYCh. 30 - Prob. 6TYCh. 30 - Prob. 7TYCh. 30 - Prob. 8TYCh. 30 - Prob. 9TYCh. 30 - Prob. 10TYCh. 30 - Make a diagram that shows how plant biologists...Ch. 30 - Explain why fruits such as apples, strawberries,...Ch. 30 - Core Concept: Structure and Function Compare the...Ch. 30 - Prob. 1COQCh. 30 - How would you go about trying to solve what Darwin...
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