Domanda del libro di testo
Which of the following are present in angiosperms but not in gymnosperms?
A. seeds
B. pollen
C. ovaries
D. ovules
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Ch. 30 - Plant Diversity II: The Evolution of Seed Plants
Urry12th EditionCampbell BiologyISBN: 9785794169850
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TOC.tableOfContents
- Ch. 1 - Evolution, the Themes of Biology, and Scientific Inquiry8
- Ch. 2 - The Chemical Context of Life8
- Ch. 3 - Water and Life6
- Ch. 4 - Carbon and the Molecular Diversity of Life9
- Ch. 5 - The Structure and Function of Large Biological Molecules9
- Ch. 6 - A Tour of the Cell6
- Ch. 7 - Membrane Structure and Function6
- Ch. 8 - An Introduction to Metabolism6
- Ch. 9 - Cellular Respiration and Fermentation10
- Ch. 10 - Photosynthesis7
- Ch. 11 - Cell Communication7
- Ch. 12 - The Cell Cycle11
- Ch. 13 - Meiosis and Sexual Life Cycles10
- Ch. 14 - Mendel and the Gene Idea14
- Ch, 15 - The Chromosomal Basis of Inheritance6
- Ch. 16 - The Molecular Basis of Inheritance9
- Ch. 17 - Gene Expression: From Gene to Protein9
- Ch. 18 - Regulation of Gene Expression10
- Ch. 19 - Viruses6
- Ch. 20 - DNA Tools and Biotechnology7
- Ch. 21 - Genomes and Their Evolution8
- Ch. 22 - Descent with Modification: A Darwininan View of Life6
- Ch. 23 - The Evolution of Populations5
- Ch. 24 - The Origin of Species6
- Ch. 25 - The History of Life on Earth8
- Ch. 26 - Phylogeny and the Tree of Life8
- Ch. 27 - Bacteria and Archaea6
- Ch. 28 - Protists7
- Ch. 29 - Plant Diversity I: How Plants Colonized Land7
- Ch. 30 - Plant Diversity II: The Evolution of Seed Plants6
- Ch. 31 - Fungi5
- Ch. 32 - An Overview of Animal Diversity4
- Ch. 33 - An introduction to Invertebrates6
- Ch. 34 - The Origin and Evolution of Vertebrates7
- Ch. 35 - Vascular Plant Structure, Growth, and Development10
- Ch. 36 - Resource Acquisition and Transport in Vascular Plants8
- Ch. 37 - Soil and Plant Nutrition11
- Ch. 38 - Angiosperm Reproduction and Biotechnology8
- Ch. 39 - Plant Responses to Internal and External Signals8
- Ch. 40 - Basic Principles of Animal Form and Function8
- Ch. 41 - Animal Nutrition7
- Ch. 42 - Circulation and Gas Exchange7
- Ch. 43 - The Immune System5
- Ch. 44 - Osmoregulation and Excretion6
- Ch. 45 - Hormones and the Endocrine System8
- Ch. 46 - Animal Reproduction9
- Ch. 47 - Animal Development8
- Ch. 48 - Neurons, Synapses, and Signaling6
- Ch. 49 - Nervous Systems8
- Ch. 50 - Sensory and Motor Mechanisms5
- Ch. 51 Animal Behavior6
- Ch. 52 - An Introduction to Ecology and the Biosphere7
- Ch. 53 - Population Ecology9
- Ch. 54 - Community Ecology9
- Ch. 55 - Ecosystems and Restoration Ecology8
- Ch. 56 - Conservation Biology and Global Change6
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Urry 12th EditionCh. 30 - Plant Diversity II: The Evolution of Seed PlantsProblema 6
Urry 12th EditionCh. 30 - Plant Diversity II: The Evolution of Seed PlantsProblema 6Capitolo 30, Problema 6
Use the letters a–d to label where on the phylogenetic tree each of the following derived characters appears.
a. Flowers
b. Embryos
c. Seeds
d. Vascular tissue
Guida verificata passo dopo passo1
Understand the concept of a phylogenetic tree: A phylogenetic tree is a diagram that represents evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.
Identify the derived characters: Derived characters are traits that appear in recent parts of a lineage but not in its older members. In this problem, the derived characters are flowers, embryos, seeds, and vascular tissue.
Determine the order of appearance of these derived characters in plant evolution: Generally, embryos appear first, followed by vascular tissue, seeds, and finally flowers.
Locate the position of each derived character on the phylogenetic tree: Start from the base of the tree and move upwards, placing 'embryos' first, then 'vascular tissue', followed by 'seeds', and finally 'flowers' at the top.
Label the tree: Assign the letters a–d to each derived character based on their position in the evolutionary sequence. Ensure that 'a' corresponds to flowers, 'b' to embryos, 'c' to seeds, and 'd' to vascular tissue.
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Phylogenetic Tree
A phylogenetic tree is a diagram that represents evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics. It is used to illustrate the divergence of species from common ancestors, with branches indicating evolutionary paths and nodes representing common ancestors.
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Percorso guidato
04:13
Building Phylogenetic Trees Example 2
Derived Characters
Derived characters are traits that appear in recent parts of a lineage but not in its older members. These traits are used to determine evolutionary relationships and are crucial for constructing phylogenetic trees. Derived characters help identify the point at which a particular trait evolved, marking a divergence in the evolutionary path.
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Percorso guidato
05:42Shared Derived Characters
Evolutionary Traits in Plants
In the context of plant evolution, traits such as flowers, embryos, seeds, and vascular tissue represent significant evolutionary advancements. Flowers are reproductive structures unique to angiosperms, seeds provide protection and nourishment to plant embryos, and vascular tissue allows for efficient transport of water and nutrients, supporting plant growth and diversification.
Video consigliato:
05:58Vestigial Traits and Evolutionary Misconceptions
Pratica correlata
Domanda del libro di testo
Which of the following is a key feature of seed plants facilitating life on land?
a. Homospory
b. Pollen
c. Reduced sporophytes
d. Spores
1231
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Domanda del libro di testo
The history of life has been punctuated by several mass extinctions. For example, the impact of a meteorite may have wiped out most of the dinosaurs and many forms of marine life at the end of the Cretaceous period. Fossils indicate that plants were less severely affected by this mass extinction. What adaptations may have enabled plants to withstand this disaster better than animals?
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Domanda del libro di testo
Which of the following is a characteristic that distinguishes gymnosperms and angiosperms from other plants?
a. Alternation of generations
b. Independent gametophytes
c. Vascular tissue
d. Ovules
2417
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