Phylogeny And The Tree Of Life - Campbell Biology Concepts | Biology+

Course

Introductory Biology

Study Pack

Set 1: Introduction: Themes in the Study of Life

Set 2: The Chemical Context of Life

Set 3: Water and Life

Set 4: Carbon and the Molecular Diversity of Life

Set 5: The Structure and Function of Large Biological Molecules

Set 6: A Tour of the Cell

Set 7: Membrane Structure and Function

Set 8: An Introduction to Metabolism

Set 9: Cellular Respiration and Fermentation

Set 10: Photosynthesis

Set 11: Cell Communication

Set 12: The Cell Cycle

Set 13: Meiosis and Sexual Life Cycles

Set 14: Mendel and the Gene Idea

Set 15: The Chromosomal Basis of Inheritance

Set 16: The Molecular Basis of Inheritance

Set 17: From Gene to Protein

Set 18: Regulation of Gene Expression

Set 19: Viruses

Set 20: Biotechnology

Set 21: Genomes and Their Evolution

Set 22: Descent with Modification: A Darwinian View of Life

Set 23: The Evolution of Populations

Set 24: The Origin of Species

Set 25: The History of Life on Earth

Set 26: Phylogeny and the Tree of Life

Set 27: Bacteria and Archaea

Set 28: Protists

Set 29: Plant Diversity I: How Plants Colonized Land

Set 30: Plant Diversity II: The Evolution of Seed Plants

Set 32: An Overview of Animal Diversity

Set 33: An Introduction to Invertebrates

Set 34: The Origin and Evolution of Vertebrates

Set 35: Plant Structure, Growth, and Development

Set 36: Resource Acquisition and Transport in Vascular Plants

Set 37: Soil and Plant Nutrition

Set 38: Angiosperm Reproduction and Biotechnology

Set 39: Plant Responses to Internal and External Signals

Set 40: Basic Principles of Animal Form and Function

Set 41: Animal Nutrition

Set 42: Circulation and Gas Exchange

Set 43: The Immune System

Set 44: Osmoregulation and Excretion

Set 45: Hormones and the Endocrine System

Set 46: Animal Reproduction

Set 47: Animal Development

Set 48: Neurons, Synapses, and Signaling

Set 49: Nervous Systems

Set 50: Sensory and Motor Mechanisms

Set 51: Animal Behavior

Set 52: An Introduction to Ecology and the Biosphere

Set 53: Population Ecology

Set 54: Community Ecology

Set 55: Ecosystems and Restoration Ecology

Set 56: Conservation Biology and Global Change

Set 26 Phylogeny And The Tree Of Life

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Set 26 Phylogeny And The Tree Of Life

(Multiple Choice)

Free

Which mutation should least require realignment of homologous regions of a gene that is common to several related species?

A) three-base insertion
B) one-base substitution
C) four-base insertion
D) one-base deletion
E) three-base deletion

Answer

(Multiple Choice)

Free

A researcher wants to determine the genetic relatedness of several breeds of dog (Canis lupus familiaris). The researcher should compare homologous sequences of this type of biochemical-________-which can be described as ________.

A) fatty acids; highly conserved
B) lipids; poorly conserved
C) proteins; highly conserved
D) amino acids; highly conserved
E) nucleic acids, poorly conserved

Answer

(Multiple Choice)

Free

The legless condition that is observed in several groups of extant reptiles is the result of

A) their common ancestor having been legless.
B) a shared adaptation to an arboreal (living in trees) lifestyle.
C) several instances of the legless condition arising independently of each other.
D) individual lizards adapting to a fossorial (living in burrows) lifestyle during their lifetimes.

Answer