Question 1

Jaws first occurred in which extant group of fishes?

Accepted Answer

A)  lampreys 
B)  chondrichthyans 
C)  ray-finned fishes 
D)  lungfishes 
E)  placoderms 
A)  lampreys 
B)  chondrichthyans 
C)  ray-finned fishes 
D)  lungfishes 
E)  placoderms

Question 2

In the figure given below, the Deuterostomia clade is most closely related to which two main clades?

Accepted Answer

A)  Ctenophora and Cnidaria 
B)  Lophotrochozoa and Ecdysozoa 
C)  Cnidaria and Bilateria 
D)  Platyhelminthes and Rotifera 
E)  Echinodermata and Hemichordata 
A)  Ctenophora and Cnidaria 
B)  Lophotrochozoa and Ecdysozoa 
C)  Cnidaria and Bilateria 
D)  Platyhelminthes and Rotifera 
E)  Echinodermata and Hemichordata

Question 3

Which clade does not include humans?

Accepted Answer

A)  synapsids 
B)  lobe-fins 
C)  lophotrochozoans 
D)  tetrapods 
E)  osteichthyans 
A)  synapsids 
B)  lobe-fins 
C)  lophotrochozoans 
D)  tetrapods 
E)  osteichthyans

Question 4

A trend first observed in the evolution of the earliest tetrapods was

Accepted Answer

A)  the appearance of jaws. 
B)  the appearance of bony vertebrae. 
C)  feet with digits. 
D)  the mineralization of the endoskeleton. 
E)  the amniotic egg. 
A)  the appearance of jaws. 
B)  the appearance of bony vertebrae. 
C)  feet with digits. 
D)  the mineralization of the endoskeleton. 
E)  the amniotic egg.

Question 5

A sponge's structural materials (spicules, spongin) are manufactured by the

Accepted Answer

A)  pore cells. 
B)  epidermal cells. 
C)  choanocytes. 
D)  amoebocytes. 
A)  pore cells. 
B)  epidermal cells. 
C)  choanocytes. 
D)  amoebocytes.

Question 6

Which of the following are the most abundant and diverse of the extant vertebrates?

Accepted Answer

A)  ray-finned fishes 
B)  birds 
C)  amphibians 
D)  nonbird reptiles 
E)  mammals 
A)  ray-finned fishes 
B)  birds 
C)  amphibians 
D)  nonbird reptiles 
E)  mammals

Question 7

Which of the following is (are) unique to animals?

Accepted Answer

A)  cells that have mitochondria 
B)  the structural carbohydrate, chitin 
C)  nervous conduction and muscular movement 
D)  heterotrophy 
E)  flagellated gametes 
A)  cells that have mitochondria 
B)  the structural carbohydrate, chitin 
C)  nervous conduction and muscular movement 
D)  heterotrophy 
E)  flagellated gametes

Exam 27: The Rise of Animal Diversity

Jaws first occurred in which extant group of fishes?

In the figure given below, the Deuterostomia clade is most closely related to which two main clades?

Which clade does not include humans?

A trend first observed in the evolution of the earliest tetrapods was

A sponge's structural materials (spicules, spongin) are manufactured by the

Which of the following are the most abundant and diverse of the extant vertebrates?

Which of the following is (are) unique to animals?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development, Stem Cells, and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

Plant Structure and Growth

Resource Acquisition, Nutrition, and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons, Synapses, and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Species Interactions

Ecosystems and Energy

Global Ecology and Conservation Biology

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