Domanda del libro di testo
In Figure 34.25, which of the following is the sister taxon to the archosaurs?
a. Synapsids
b. Crocodilians
c. Turtles
d. Lepidosaurs
984
views
Ch. 34 - The Origin and Evolution of Vertebrates
Urry12th EditionCampbell BiologyISBN: 9785794169850
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 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
Capitolo 34, Problema 5
As hominins diverged from other primates, which of the following appeared first?
a. Reduced jawbones
b. An enlarged brain
c. The making of stone tools
d. Bipedal locomotion
Guida verificata passo dopo passo1
Begin by understanding the term 'hominins.' Hominins are a group that includes modern humans, extinct human species, and all our immediate ancestors. They are part of the family Hominidae, which also includes other great apes.
Consider the evolutionary timeline of hominins. The divergence from other primates involves several key adaptations that occurred over millions of years.
Examine each option in the context of evolutionary history: a) Reduced jawbones, b) Enlarged brain, c) Making of stone tools, d) Bipedal locomotion.
Bipedal locomotion is a significant adaptation that allowed hominins to walk upright on two legs. This adaptation is considered one of the earliest changes in hominin evolution, preceding other developments such as tool-making and brain enlargement.
Reflect on the importance of bipedalism in hominin evolution. It provided advantages such as energy-efficient movement and the ability to use hands for other tasks, which later facilitated tool-making and brain development.
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:
37sConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Hominin Evolution
Hominin evolution refers to the process by which humans and their ancestors evolved from other primates. This includes changes in physical traits, behaviors, and cognitive abilities over millions of years. Understanding the sequence of these evolutionary changes helps in identifying which traits appeared first as hominins diverged from other primates.
Video consigliato:
Percorso guidato
05:14
Introduction to Evolution of Populations
Bipedal Locomotion
Bipedal locomotion is the ability to walk on two legs, a key characteristic that distinguishes hominins from other primates. It is believed to be one of the earliest adaptations in hominin evolution, providing advantages such as energy-efficient movement and freeing the hands for tool use and carrying objects, which played a crucial role in the development of other traits.
Video consigliato:
05:26Primates
Sequence of Evolutionary Traits
The sequence of evolutionary traits refers to the order in which specific physical and behavioral characteristics appeared in hominins. Bipedalism is considered one of the first major adaptations, followed by other traits like tool-making, brain enlargement, and changes in jaw structure. Understanding this sequence helps in answering questions about the timeline of hominin evolution.
Video consigliato:
05:58Vestigial Traits and Evolutionary Misconceptions
Pratica correlata
Domanda del libro di testo
Living vertebrates can be divided into two major clades. Select the appropriate pair.
a. The chordates and the tetrapods
b. The urochordates and the cephalochordates
c. The cyclostomes and the gnathostome
d. The marsupials and the eutherians
1224
views
1
rank
Domanda del libro di testo
Living members of a vertebrate lineage can be very different from early members of the lineage, and evolutionary reversals (character losses) are common. Give examples that illustrate these observations, and explain their evolutionary causes.
1144
views
Domanda del libro di testo
Which of the following could be considered the most recent common ancestor of living tetrapods?
a. A sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates
b. An armored, jawed placoderm with two pairs of appendages
c. An early ray-finned fish that developed bony skeletal supports in its paired fins
d. A salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes
1039
views
Domanda del libro di testo
Unlike eutherians, both monotremes and marsupials
a. Lack nipples
b. Have some embryonic development outside the uterus
c. Lay eggs
d. Are found in Australia and Africa
1357
views