Domanda del libro di testo
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
1178
views
Ch. 30 - Plant Diversity II: The Evolution of Seed Plants
Urry11th EditionCampbell BiologyISBN: 9789357423311
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
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 Cycle10
- Ch. 13 - Meiosis and Sexual Life Cycles10
- Ch. 14 - Mendel and the Gene Idea14
- Ch, 15 - The Chromosomal Basis of Inheritance7
- 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 Biotechnology8
- 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 Earth6
- Ch. 26 - Phylogeny and the Tree of Life7
- Ch. 27 - Bacteria and Archaea8
- Ch. 28 - Protists7
- Ch. 29 - Plant Diversity I: How Plants Colonized Land7
- Ch. 30 - Plant Diversity II: The Evolution of Seed Plants7
- 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 Development8
- Ch. 36 - Resource Acquisition and Transport in Vascular Plants8
- Ch. 37 - Soil and Plant Nutrition10
- 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 System6
- Ch. 44 - Osmoregulation and Excretion6
- Ch. 45 - Hormones and the Endocrine System8
- Ch. 46 - Animal Reproduction8
- 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 Ecology10
- Ch. 54 - Community Ecology9
- Ch. 55 - Ecosystems and Restoration Ecology8
- Ch. 56 - Conservation Biology and Global Change6
Tutti i libri di testo
Urry 11th EditionCh. 30 - Plant Diversity II: The Evolution of Seed PlantsProblema 4
Urry 11th EditionCh. 30 - Plant Diversity II: The Evolution of Seed PlantsProblema 4Capitolo 30, Problema 4
Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants?
a. Dependent gametophytes
b. Ovules
c. Pollen
d. Alternation of generations
Guida verificata passo dopo passo1
Understand the key characteristics of gymnosperms and angiosperms. These are seed-producing plants, and they share certain features that distinguish them from other plant groups.
Review the concept of dependent gametophytes. In gymnosperms and angiosperms, the gametophyte generation is reduced and dependent on the sporophyte for nutrition.
Examine the role of ovules. Both gymnosperms and angiosperms have ovules, which develop into seeds after fertilization.
Consider the function of pollen. Pollen is a characteristic of seed plants, including gymnosperms and angiosperms, allowing for the transfer of male gametes to the female ovules.
Understand alternation of generations. This is a life cycle feature present in all plants, not just gymnosperms and angiosperms, involving a switch between haploid gametophyte and diploid sporophyte generations.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
47sConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Dependent Gametophytes
In gymnosperms and angiosperms, the gametophyte generation is dependent on the sporophyte for nutrition and support. This contrasts with non-seed plants, where the gametophyte is often independent. Understanding this dependency is crucial for distinguishing seed plants from other plant groups.
Video consigliato:
02:37
Density-Dependent Factors
Ovules
Ovules are structures within seed plants where the female gametophytes develop and where fertilization occurs, leading to seed formation. Both gymnosperms and angiosperms possess ovules, which are key to their reproductive processes, setting them apart from non-seed plants.
Video consigliato:
06:26Seed Plants - 1
Alternation of Generations
Alternation of generations is a life cycle pattern where plants alternate between haploid gametophyte and diploid sporophyte generations. This is a characteristic of all plants, not just gymnosperms and angiosperms, making it a non-distinguishing feature in this context.
Video consigliato:
04:09Laminaria Life Cycle: Alternation of Generations
Pratica correlata
Domanda del libro di testo
Gymnosperms and angiosperms have the following in common except
a. Seeds
b. Pollen
c. Ovaries
d. Ovules
2201
views
Domanda del libro di testo
With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?
a. Egg—n
b. Megaspore—2n
c. Microspore—n
d. Zygote—2n
1345
views
Domanda del libro di testo
Key features of seed plants facilitating life on land include three of the following four traits. Select the exception.
a. Homospory
b. Pollen
c. Reduced gametophytes
d. Seeds
1454
views
Domanda del libro di testo
Where in an angiosperm would you find a megasporangium?
a. In the style of a flower
b. Enclosed in the stigma of a flower
c. Within an ovule contained within an ovary of a flower
d. Packed into pollen sacs within the anthers found on a stamen
1354
views
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?
1076
views