Homework Help is Here – Start Your Trial Now!
Science
Biology
Rachis Leaflet FIGURE 6-37 Leaves of barbery (Berberis) are tough and hard. It is dificult for insects to bite into them or lay eggs in them; however, the plant must invest considerable glucose to make the secondary walls of sclerenchyma cells, and the leaves must therefore photosynthesize longer before they reach their break-even point. Stomatal crypt FIGURE 6-38 (A) Yucca leaves are excellent examples of sclerophylls; they are tough and fibrous, and the cutidle is thick. These features reduce the amount of light reaching the chlorenchyma, but plant growth is probably limited by scarcity of water rather than reduced photosynthesis. These leaves may function for 5 to 10 years or more (x15). (B) Bundles of fibers occur just interior to the epidermis, and the thick mesophyll surrounds many vascular bundles (x50). (C) Stomata occur in long, shallow grooves that run between fiber bundles (x150). (D) Even vascular bundles of these sclerophylls have fiber sheaths (x150). (E) Sdlerophylls of Dracaena are very thick and have leaf veins throughout the mesophyll, unlike the single row in ordinary leaves (x15). (F) Leaf veins of Dracaena have extremely thick -Fiber bundle Vascular bundle (A) Fiber bundles Vascular bundles (B) fiber sheaths (x150). Fiber sheath Cuticle -Phloem -Xylem Fiber sheath AStomata (D) -Xylem -Phloem -Fiber саp (E) (F)

Rachis Leaflet FIGURE 6-37 Leaves of barbery (Berberis) are tough and hard. It is dificult for insects to bite into them or lay eggs in them; however, the plant must invest considerable glucose to make the secondary walls of sclerenchyma cells, and the leaves must therefore photosynthesize longer before they reach their break-even point. Stomatal crypt FIGURE 6-38 (A) Yucca leaves are excellent examples of sclerophylls; they are tough and fibrous, and the cutidle is thick. These features reduce the amount of light reaching the chlorenchyma, but plant growth is probably limited by scarcity of water rather than reduced photosynthesis. These leaves may function for 5 to 10 years or more (x15). (B) Bundles of fibers occur just interior to the epidermis, and the thick mesophyll surrounds many vascular bundles (x50). (C) Stomata occur in long, shallow grooves that run between fiber bundles (x150). (D) Even vascular bundles of these sclerophylls have fiber sheaths (x150). (E) Sdlerophylls of Dracaena are very thick and have leaf veins throughout the mesophyll, unlike the single row in ordinary leaves (x15). (F) Leaf veins of Dracaena have extremely thick -Fiber bundle Vascular bundle (A) Fiber bundles Vascular bundles (B) fiber sheaths (x150). Fiber sheath Cuticle -Phloem -Xylem Fiber sheath AStomata (D) -Xylem -Phloem -Fiber саp (E) (F)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
See similar textbooks
icon
Related questions
Question

Sclerophyllous foliage leaves like those in holly, barberry (as shown), and Yucca (as shown) have many unusual features. Do they live for 1 year or longer? They are more resistant to animals that might try to eat them. Why? What type of cells do they have that most leaves do not have?

Rachis Leaflet FIGURE 6-37 Leaves of barbery (Berberis) are tough and hard. It is dificult for insects to bite into them or lay eggs in them; however, the plant must invest considerable glucose to make the secondary walls of sclerenchyma cells, and the leaves must therefore photosynthesize longer before they reach their break-even point.
Transcribed Image Text:Rachis Leaflet FIGURE 6-37 Leaves of barbery (Berberis) are tough and hard. It is dificult for insects to bite into them or lay eggs in them; however, the plant must invest considerable glucose to make the secondary walls of sclerenchyma cells, and the leaves must therefore photosynthesize longer before they reach their break-even point.
Stomatal crypt FIGURE 6-38 (A) Yucca leaves are excellent examples of sclerophylls; they are tough and fibrous, and the cutidle is thick. These features reduce the amount of light reaching the chlorenchyma, but plant growth is probably limited by scarcity of water rather than reduced photosynthesis. These leaves may function for 5 to 10 years or more (x15). (B) Bundles of fibers occur just interior to the epidermis, and the thick mesophyll surrounds many vascular bundles (x50). (C) Stomata occur in long, shallow grooves that run between fiber bundles (x150). (D) Even vascular bundles of these sclerophylls have fiber sheaths (x150). (E) Sdlerophylls of Dracaena are very thick and have leaf veins throughout the mesophyll, unlike the single row in ordinary leaves (x15). (F) Leaf veins of Dracaena have extremely thick -Fiber bundle Vascular bundle (A) Fiber bundles Vascular bundles (B) fiber sheaths (x150). Fiber sheath Cuticle -Phloem -Xylem Fiber sheath AStomata (D) -Xylem -Phloem -Fiber саp (E) (F)
Transcribed Image Text:Stomatal crypt FIGURE 6-38 (A) Yucca leaves are excellent examples of sclerophylls; they are tough and fibrous, and the cutidle is thick. These features reduce the amount of light reaching the chlorenchyma, but plant growth is probably limited by scarcity of water rather than reduced photosynthesis. These leaves may function for 5 to 10 years or more (x15). (B) Bundles of fibers occur just interior to the epidermis, and the thick mesophyll surrounds many vascular bundles (x50). (C) Stomata occur in long, shallow grooves that run between fiber bundles (x150). (D) Even vascular bundles of these sclerophylls have fiber sheaths (x150). (E) Sdlerophylls of Dracaena are very thick and have leaf veins throughout the mesophyll, unlike the single row in ordinary leaves (x15). (F) Leaf veins of Dracaena have extremely thick -Fiber bundle Vascular bundle (A) Fiber bundles Vascular bundles (B) fiber sheaths (x150). Fiber sheath Cuticle -Phloem -Xylem Fiber sheath AStomata (D) -Xylem -Phloem -Fiber саp (E) (F)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Cell differentiation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education
SEE MORE TEXTBOOKS