Textbook Question
What does the cuticle do?
What do stomata do?
Predict how the thickness of the cuticle and the number of stomata differ in plants from wet habitats versus dry habitats.
Ch. 34 - Plant Form and Function
Freeman8th EditionBiological ScienceISBN: 9780138276263
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Table of contents
- Ch. 1 - Biology: The Study of Life13
- Ch. 2 - Water and Carbon: The Chemical Basis of Life14
- Ch.3 - Protein Structure and Function10
- Ch.4 - Nucleic Acids and the RNA World10
- Ch. 5 - An Introduction to Carbohydrates10
- Ch. 6 - Lipids, Membranes, and the First Cells11
- Ch. 7 - Inside the Cell10
- Ch. 8 - Energy and Enzymes: An Introduction to Metabolism10
- Ch. 9 - Cellular Respiration and Fermentation11
- Ch. 10 - Photosynthesis12
- Ch. 11 - Cell-Cell Interactions12
- Ch. 12 - The Cell Cycle8
- Ch. 13 - Meiosis12
- Ch. 14 - Mendel and the Gene23
- Ch. 15 - DNA and the Gene: Synthesis and Repair15
- Ch. 16 - How Genes Work16
- Ch. 17 - Transcription, RNA Processing, and Translation16
- Ch. 18 - Control of Gene Expression in Bacteria16
- Ch. 19 - Control of Gene Expression in Eukaryotes12
- Ch. 20 - The Molecular Revolution: Biotechnology, Genomics, and New Frontiers15
- Ch. 21 - Genes, Development, and Evolution12
- Ch. 22 - Evolution by Natural Selection16
- Ch. 23 - Evolutionary Processes13
- Ch. 24 - Speciation15
- Ch. 25 - Phylogenies and the History of Life13
- Ch. 26 - Bacteria and Archaea15
- Ch. 27 - Diversification of Eukaryotes16
- Ch. 28 - Green Algae and Land Plants16
- Ch. 29 - Fungi18
- Ch. 30 - An Introduction to Animals9
- Ch. 31 - Protostome Animals15
- Ch. 32 - Deuterostome Animals17
- Ch. 33 - Viruses16
- Ch. 34 - Plant Form and Function16
- Ch. 35 - Water and Sugar Transport in Plants16
- Ch. 36 - Plant Nutrition13
- Ch. 37 - Plant Sensory Systems, Signals, and Responses16
- Ch. 38 - Flowering Plant Reproduction and Development16
- Ch. 39 - Animal Form and Function17
- Ch. 40 - Water and Electrolyte Balance in Animals16
- Ch. 41 - Animal Nutrition16
- Ch. 42 - Gas Exchange and Circulation16
- Ch. 43 - Animal Nervous Systems16
- Ch. 44 - Animal Sensory Systems16
- Ch. 45 - Animal Movement11
- Ch. 46 - Chemical Signals in Animals16
- Ch. 47 - Animal Reproduction and Development16
- Ch. 48 - The Immune System in Animals16
- Ch. 49 - An Introduction to Ecology15
- Ch. 50 - Behavioral Ecology16
- Ch. 51 - Population Ecology16
- Ch. 52 - Community Ecology20
- Ch. 53 - Ecosystems and Global Ecology17
- Ch. 54 - Biodiversity and Conservation Ecology18
Chapter 34, Problem 5
Describe the general function of the shoot and the general function of the root system. Which tissues are continuous throughout these two systems?
Suggest a hypothesis to explain why the shoot and root systems of different species are so variable in size and shape.
Verified step by step guidance1
The shoot system primarily functions in photosynthesis, reproduction, and storage. It includes structures such as stems, leaves, and flowers, which are involved in capturing light energy, gas exchange, and producing seeds.
The root system primarily functions in anchoring the plant, absorbing water and nutrients from the soil, and storing food. Roots can also interact with soil microorganisms to enhance nutrient uptake.
The vascular tissues, xylem and phloem, are continuous throughout both the shoot and root systems. Xylem transports water and minerals from roots to shoots, while phloem distributes sugars and other organic nutrients throughout the plant.
A hypothesis to explain the variability in size and shape of shoot and root systems among different species could be that these variations are adaptations to specific environmental conditions. For example, plants in arid environments may have extensive root systems to maximize water absorption, while those in dense forests may have taller shoots to compete for sunlight.
To test this hypothesis, one could compare the shoot and root system structures of plants from different environments and analyze how these structures correlate with environmental factors such as light availability, soil type, and water availability.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Function of the Shoot System
The shoot system of a plant primarily consists of stems, leaves, and flowers. Its main functions include photosynthesis, reproduction, and the transport of water and nutrients. The shoot system is responsible for capturing light energy and converting it into chemical energy through photosynthesis, as well as facilitating gas exchange and supporting reproductive structures.
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05:46
Shoots and Leaves
Function of the Root System
The root system anchors the plant in the soil and is crucial for water and nutrient absorption. It stores food and nutrients, and in some plants, it can also be involved in vegetative reproduction. Roots play a vital role in interacting with soil microorganisms, which can enhance nutrient uptake and provide protection against pathogens.
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07:55Root System
Continuous Tissues in Plant Systems
Vascular tissues, specifically xylem and phloem, are continuous throughout the shoot and root systems. Xylem transports water and dissolved minerals from the roots to the rest of the plant, while phloem distributes the sugars and nutrients produced by photosynthesis. This continuity allows for efficient resource distribution and communication between different parts of the plant.
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Related Practice
Textbook Question
You attached a birdfeeder to a tree 5 years ago at a position 6 feet above the ground. The tree has grown since at a rate of 1 foot per year. What is the current height of the birdfeeder?
Textbook Question
Explain why continuous growth enhances the phenomenon known as phenotypic plasticity.
Textbook Question
Which statement best characterizes secondary growth?
a. It results from cell divisions in the vascular and cork cambia.
b. It increases the length of the plant stem.
c. It results from divisions in the apical meristem cells.
d. It often produces phloem cells to the inside and xylem cells to the outside of the vascular cambium.
Textbook Question
Which statement best characterizes primary growth?
a. It does not occur in roots, only in shoots.
b. It leads to the development of cork tissue.
c. It produces the dermal, ground, and vascular tissues.
d. It produces rings of xylem, phloem, and cork tissue.
Textbook Question
Evaluate the following statements regarding tracheids and vessel elements.
Select True or False for each statement.
T/F Both tracheids and vessel elements are specialized for water conduction.
T/F Both tracheids and vessel elements have pits.
T/F Vessel elements have perforation plates but tracheids do not.
T/F Tracheids and vessel elements have to be alive in order to transport water.