BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 36.3, Problem 3CC
Summary Introduction
To determine: The reason why tree trunks have a second layer of wood that is thicker than the layer of inner bark.
Introduction: In tree trunks, a new cylindrical layer of wood is produced every year. The formation of wood in the form of concentric rings each year appears as annual rings in the cross-section of the woody stem.
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Chapter 36 Solutions
BIOLOGY
Ch. 36.1 - Prob. 1CSCh. 36.2 - Prob. 1CSCh. 36.2 - Prob. 1CCCh. 36.2 - Prob. 2CSCh. 36.2 - Prob. 3CSCh. 36.3 - Prob. 1CCCh. 36.3 - Prob. 1EQCh. 36.3 - CoreSKILL Why did Sack and colleagues splint...Ch. 36.3 - Prob. 3EQCh. 36.3 - Cactus leaves are so highly modified for defense...
Ch. 36.3 - Prob. 3CCCh. 36.4 - Prob. 1CCCh. 36 - Where would you look to find the gametophyte...Ch. 36 - What is a radicle? a. an embryonic leaf b. an...Ch. 36 - Prob. 3TYCh. 36 - Prob. 4TYCh. 36 - Prob. 5TYCh. 36 - Prob. 6TYCh. 36 - Prob. 7TYCh. 36 - Prob. 8TYCh. 36 - During its development, a tracheid elongates in a...Ch. 36 - What are examples of woody plants? a. trees b....Ch. 36 - Prob. 1CQCh. 36 - What would be the consequences if leaves were...Ch. 36 - Prob. 3CQCh. 36 - Prob. 1COQCh. 36 - Prob. 2COQ
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- 6) Match the tissue on the left with the description of the function it generally performs for the plant on the right: a) phloem flexible support, such as in petioles and herbaceous stems. b) xylem forms an outer barrier for leaves, young stems and roots. c) collenchyma conducts water and dissolved nutrients from the roots to other plant tissues. support of vascular tissue in older woody plants and formation of very hard plant structures such as nut shells. d) periderm e) parenchyma metabolism and storage. f) sclerenchyma conducts molecules produced by the plant throughout the plant body. g) epidermis provides physical protection for woody plants. AP ACMIarrow_forwardFor what purpose the vessels and tracheids in xylem tissue are interconnected?arrow_forwardWhat is the difference between the inner bark and the outer bark?arrow_forward
- What are differences between the transport of materials in xylem and phloem?arrow_forwardLigustrum leaf Describe the structure and function of the various tissues in the ligustrum leaf (epidermal layers, stomata, palisade mesophyll cells, spongy mesophyll cells). Would more photosynthesis occur in the palisade parenchyma or spongy mesophyll? Would more water evaporate from the leaf? How does the ligustrum leaf compare to the pine leaf? What is an abscission layer, and when would you expect to see one in a plant?arrow_forwardWhich of the following statements are true of xylem? A) It is found in all land plants.B) It assists in conducting of materials, such as water and minerals, throughout the plant.C) It can provide structural support to the plant.D) It is found in the gametophyte generation, but not in the sporophyte.E) It contains specialized cells known as tracheids and vessel elementsarrow_forward
- It was previously stated that parenchyma cells are relatively inexpensive to build. What does that mean? How does this relate to most leaves being soft?arrow_forwardGiven that (a) xylem is located toward the upper epidermis in leaf veins and phloem is located toward the lower epidermis and (b) the vascular tissue of a leaf is continuous with that of the stem, suggest one possible arrangement of vascular tissues in the stem that might account for the arrangement of vascular tissue in the leaf.arrow_forwardMake a labelled line diagram of the cross section of the leaf with the following labels: cuticle, adaxial epidermis, abaxial epidermis, primary xylem, primary phloem, collenchyma, bundle sheath, vascular cambium, stomata, mesophyll that consist of palisade and spongy parenchyma with intercellular spaces.arrow_forward
- Which tissue produces new cells? How do you distinguish between spring wood and summer wood? Describe the process of growth that leads to formation of annual rings in the woody stem. Look at the tree trunk mage below. Identify the heartwood and sapwood. How do heartwood and sapwood differ in function?arrow_forwardIn a cross-section of a tree, where are the oldest growth rings—in the outer region or nearer the pith? Where is the oldest secondary phloem—near the outside of the tree or near the cambium?arrow_forwardAboveground plant surfaces are typically covered with cuticle. Why do roots lack this protective coating?arrow_forward
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