Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 28, Problem 2CCQ
Summary Introduction
To write:
The consequences if the leaves are radially symmetric.
Introduction:
Phyllotaxy is the arrangement of leaves on the stem and the arrangement is either alternate, spiral, opposite or whorled. The leaves that are alternate or spirally arranged have only one leaf per node. But if the leaf is found on opposite sides, then each node can have two leaves.
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Write down the structure of leaf in following terms(a)reticulate venation(b)parallel venation?
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Chapter 28 Solutions
Principles of Biology
Ch. 28.1 - Refer back to Figure 25.4 to see the life cycle...Ch. 28.1 - Prob. 1TYKCh. 28.1 - Prob. 2TYKCh. 28.2 - Prob. 1CCCh. 28.2 - Prob. 2CCCh. 28.2 - Prob. 1TYKCh. 28.2 - Prob. 2TYKCh. 28.3 - Prob. 1CCCh. 28.3 - Prob. 2CCCh. 28.3 - Prob. 3CC
Ch. 28.3 - Prob. 1TYKCh. 28.3 - Prob. 2TYKCh. 28.4 - Prob. 1TYKCh. 28.4 - Prob. 2TYKCh. 28.4 - Prob. 1CCCh. 28 - Where would you look to find the gametophyte...Ch. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - Prob. 5TYCh. 28 - Prob. 6TYCh. 28 - Prob. 7TYCh. 28 - Prob. 8TYCh. 28 - Prob. 1CCQCh. 28 - Prob. 2CCQCh. 28 - Prob. 3CCQCh. 28 - Prob. 1CBQCh. 28 - Prob. 2CBQ
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- If the two sides differ morphologically, the leaf is bifacial or dorsiventral. Otherwise, it is unifacial or isobilateral. Which term applies to the leaf in the photo?arrow_forwardSome leaves have a pair of leaf-like appendages called stipules at the base. If a leaf has stipules, it is stipulate. Otherwise, it is exstiulate. Is the leaf below stipulate or exstipulate?arrow_forwardHow can you distinguish between a compound leaf and a twig with several simple leaves? Assuming both a simple and a compound leaf have the same texture, which is more easily eaten by an insect larva?arrow_forward
- What is venation explain its role in the leaf?arrow_forwardIn some cases, the leaf sheath is connected to the petiole. Is this the case with this grass plant?arrow_forwardWhy are the blades of most leaves flat? What is the counterpart of the petiole of the dicot leaf in monocots? What advantage(s) would compound leaves have over simplearrow_forward
- Describe the leaf and give its type of venation, leaf shape, leaf bases, leaf margin, and leaf apices. (Please answer the question subjectively and don't just define terms.)arrow_forwardCompare and contrast the morphological features of monocot and dicot leaves in the table below: Characteristics Monocot leaves Dicot Leaves Leaf stalk Leaf sheath Limana or blade Venation Stipule Ligulearrow_forwardName and write functions of Internal structure of a dicotyledonous leaf,as seen in cross sectionarrow_forward
- If you were given an unfamiliar vegetable, how could you tell if it was a root or a stem, based on its external features and a microscopic examination of its cross section?arrow_forward(a) What is the shape and arrangement of the palisade mesophyll in the dicot leaf? (b) What is the shape and arrangement of the spongy mesophyll in the dicot leaf?arrow_forwardREAD THE FOLLOWING INSTRUCTIONS: Bryophytes in which the gametophytes are "leafy" in appearance and the sporophytes grow conspicuously from the tips of the gametophyte plants. STEP 1: Examine the mass of moss plants and then select one or two individual gametophyte plants and note the leaf-like (not true leaves because they lack conducting tissue) structures which are arranged around a central, vertical "stem-like" stalk and root-like rhizoids which anchor the plant and absorb water and nutrients. STEP: The sex organs are in the tips of the plants and must be seen with the microscope. Study a slide of a vertical section through head of a mate plant and note the many antheridia. STEP 3: Examine a slide through a vertical section of a female plant. Note the many upright archegonia each on a tall stalk and each with a swollen base or venter containing an egg and an elongate neck. Note the filamentous paraphyses between the archegonia. STEP 4: Examine a living or preserved…arrow_forward
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