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 28.3, Problem 1CC
Summary Introduction
To write:
The age of the twig if there are five sets of bud scale scars.
Introduction:
Bud scale scar are the scars that remain after the bud scales fall off. It is usually formed when the leaf falls off and is leaf scar while bundle scars are broken ends of vascular bundles passing from stem to leaves. Bud scales protects newly formed leaves and helps in branch growth. It forms at the end of growing season once the leaves falls off. Therefore, bud scales form in preparation for both new leaves and for extension of stems growth.
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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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- What is known as three-year-old woody twig ?arrow_forwardExamine the winter twig in the picture below of a Horse Chestnut tree, Aesculus hippocastanum. w.m. Draw a sketch of this twig and label all the following structures: terminal bud, lateral bud, terminal bud scale scars (show several sets of terminal bud scars that are visible on the main stem), leaf scars, vascular bundle scars AMooReok Droarrow_forwardExamine the winter twig in the picture below of a Horse Chestnut tree, Aesculus hippocastanum. w.m. Draw a sketch of this twig and label all the following structures: terminal bud, lateral bud, terminal bud scale scars (show several sets of terminal bud scars that are visible on the main stem), leaf scars, vascular bundle scarsarrow_forward
- Oscar and Lucinda meet in a tropical rain forest and fall in love, and he carves their initials into the bark of a tree. They never do get together, though. Ten years later, still heartbroken, Oscar searches for the tree. Given what you know about primary and secondary growth, will he find the carved initials higher relative to ground level? If he goes berserk and chops down the tree, what kinds of growth rings will he see?arrow_forwardIf 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_forwardWhy do some trees loose their green color in autumn ?arrow_forward
- Oscar and Lucinda meet in a tropical rain forest and fall in love, and he carves their initials into the bark of a tree. They never do get together, though. Ten years later, still heartbroken, Oscar searches for the tree. Given what you know about primary and secondary growth, will he find the carved initials relative to ground level? If he goes berserk and chops down the tree, what kinds of growth rings will he see?arrow_forwardIs the prothallium sporophyte or gametophyte?arrow_forwardtwo leaves A and B, each having the petiole in a closed test tube full of water. Each is hung on a spring balance. Leaf A has a waxy cuticle on the upper epidermis and stomata on the lower epidermis. Leaf B a waxy cuticle on the upper epidermis and a lower epidermis covered with petroleum jelly. Both leaves were cut from the same plant. i)Explain why it is important for the leaves to be cut from the same plant. (ii) List TWO variabes that must be kept constant in this investigation. iii) Table 6 shows the results obtained in the experiment: leaf and test tube weight final weight change in weight A 40.7 39.9 0.8 B 38.7 38.7 0.0 Explain why the weight of set up A, decreased. iv) Using your biological knowledge, indicate how results will change, if a fan is switched on near the experimental set up. Explain your answer.arrow_forward
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