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 6TY
Summary Introduction
Introduction:
The Spongy parenchyma can be called the leaf tissue which consist loosely arranged and irregular shaped cells and these cells consist chloroplast. This Spongy parenchyma behaves like a space between the cells which helps in the facilitation and the circulation of the air and gases. It is present below the palisade layer and also called as spongy mesophyll. The spongy mesophyll helps in the exchange of gases which is required for the photosynthesis process.
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Diagram 1: Cross Section of a leaf-cells and structures.
cuticle
upper epidermis
palisade layer
chloroplasts
vascular bundle
spongy mesophyll
intercellular chamber
-lower epidermis
stoma
Identify the leaf structures that are used to capture light energy.
vascular bundle
O upper epidermis
chloroplasts
stoma
Parenchyma, collenchyma, sclerenchyma are
the type of which plant tissue?
Meristematic tissue
Simple permanent tissue
Complex permanent tissue
Protective tissue
Most metabolism of the plants is carried in
Dermal tissue
Vascular tissue
Ground tissue
Phloem
Cellular layer covering plant organs is
Epidermis
Hypodermis
Endodermis
Cuticle
Label the leaf diagram: air space, cuticle, epidermis, guard cells, palisade parenchyma, spongy parenchyma, stomata, and vein.
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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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- Ground tissue in monocot stems performs the same functions as _______________ and _______________ in herbaceous eudicot stems. (a) phloem; xylem (b) cork cambium; vascular cambium (c) epidermis; periderm (d) primary xylem; secondary xylem (e) cortex; pitharrow_forwardFigure 30.7 Which layers of the stem are made of parenchyma cells? cortex and pith epidermis sclerenchyma epidermis and cortexarrow_forwardPlant regions of continuous growth are made up of dermal tissue vascular tissue meristematic tissue permanent tissuearrow_forward
- Tree rings occur _______. a. when there are droughts during the time the rings form b. where environmental conditions influence xylem cell size c. if heartwood alternates with sapwood d. as epidermis replaces peridermarrow_forwardTree rings occur because_____ a. there are droughts during the time the rings form b. environmental conditions influence xylem cell size c. heartwood alternates with sapwood d. periderm replaces epidermisarrow_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 of the following is the defining feature of true vascular tissue in plants? Group of answer choices the presence of lignin tracheids vessel elements the presence of cellulose none of the abovearrow_forwardThe tip of a plant like the prairie species we grew in class, where cells are continuously dividing and growing, as well as the tips of the roots where cell division continues throughout the plant's life are termed meristems cambium O ground tissue sclerenchymaarrow_forwardDiagram 1: Cross Section of a leaf-cells and structures. cuticle -upper epidermis palisade layer chloroplasts vascular bundle spongy mesophyll -intercellular chamber -lower epidermis stoma A possible explanation to explain the presence of the stoma structure would be that it stores extra water the leaf does not need. allows a passageway for gasses to enter and exit the leaf makes sugar needed by the cells. O maximizes the absorption of sunlight energy O O O Oarrow_forward
- Examine the cross section of the basswood twig and locate the following structures The central pith Three layers (annual rings) of xylem The bark Phloem Cortex Corkarrow_forwardThe mesophyll of the leaf -is sometimes found in roots or stems. -is mostly along the edges of the leaf. -is located between the leaf veins. -is exposed to direct sunlight. -is made up of palisade and spongy parenchyma cells.arrow_forwardTissues in a carrot root, make a simple sketch and label the tissues. The outermost covering of the cylinder( the skin of the carrot root) is made up of dermal tissue, particularly the periderm. Beneath the periderm is a layer called the cortex which is made up of parenchyma, a type of ground tissue. Underneath the cortex is vascular cylinder which contains the ploem(the outer layer of the cylinder) and the xylem (the central core of the cylinder, the lightly colored part). Between the ploem and the xylem where the vascular cambium is located (a layer that is only one cell thick) a lateral meristematic tissue. plsssss help me sketch this and label it, thank you.arrow_forward
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