Question 1

How do protostomes differ from deuterostomes?

Accepted Answer

A)  Protostomes are diploblastic. 
B)  Protostomes have radial symmetry. 
C)  Protostomes undergo spiral cleavage during development. 
D)  The first opening that develops in protostomes is the anus. 
E)  Protostomes undergo indeterminate cleavage during development. 
A)  Protostomes are diploblastic. 
B)  Protostomes have radial symmetry. 
C)  Protostomes undergo spiral cleavage during development. 
D)  The first opening that develops in protostomes is the anus. 
E)  Protostomes undergo indeterminate cleavage during development.

Question 2

The first land animals likely moved onto land how long ago?

Accepted Answer

A)  650 million years ago 
B)  450 million years ago 
C)  250 million years ago 
D)  150 million years ago 
E)  50 million years ago 
A)  650 million years ago 
B)  450 million years ago 
C)  250 million years ago 
D)  150 million years ago 
E)  50 million years ago

Question 3

List the main differences between protostomes and deuterostomes.

Accepted Answer

Protostomes: exhibit schizocoely and spi

Question 4

A bilaterally symmetrical animal has how many axes?

Accepted Answer

A)  Four 
B)  Three 
C)  Two 
D)  One 
E)  Zero 
A)  Four 
B)  Three 
C)  Two 
D)  One 
E)  Zero

Question 5

Which statement best supports why animals most likely evolved in the ocean?

Accepted Answer

A)  The ocean water provided buoyancy. 
B)  They did not require a skeleton for support. 
C)  Internal fluid and salt balance were easy to maintain. 
D)  Reproduction was independent of internal fertilization. 
E)  The changeable temperature facilitated natural selection. 
A)  The ocean water provided buoyancy. 
B)  They did not require a skeleton for support. 
C)  Internal fluid and salt balance were easy to maintain. 
D)  Reproduction was independent of internal fertilization. 
E)  The changeable temperature facilitated natural selection.

Question 6

Match between columns
                        Premises: Determinate cleavage

Accepted Answer

The Answer of deuterostomes and protostomes is...

Question 7

The first air-breathing land animals were:

Accepted Answer

A)  snails. 
B)  reptiles. 
C)  arthropods. 
D)  amphibians. 
E)  vertebrates. 
A)  snails. 
B)  reptiles. 
C)  arthropods. 
D)  amphibians. 
E)  vertebrates.

Question 8

A grasshopper belongs in the Ecdysozoa clade because of its ability to:

Accepted Answer

A)  molt. 
B)  develop. 
C)  live on land. 
D)  reproduce sexually. 
E)  maintain homeostasis. 
A)  molt. 
B)  develop. 
C)  live on land. 
D)  reproduce sexually. 
E)  maintain homeostasis.

Question 9

Draw a cladogram for the following animals: sponges, cnidarians, flatworms, echinoderms, chordates, mollusks, annelids, nematodes, and arthropods. On your cladogram indicate the points where the following evolved: (1) true tissues, (2) bilateral symmetry, (3) three germ layers, (4) segmentation, (5) protostome development, and (6) deuterostome development.

Accepted Answer

Concepts to Consider: Before d

Question 10

Describe the problems associated with a terrestrial existence and some of the adaptations of some animals for dealing with these problems.

Accepted Answer

Concepts to Consider: The main problem w

Question 11

Match between columns
                        Premises: Blastopore becomes mouth

Accepted Answer

The Answer of deuterostomes and protostomes is...

Question 12

Which animal phylum has an asymmetrical body plan?

Accepted Answer

A)  Cnidaria 
B)  Porifera 
C)  Annelida 
D)  Ctenophora 
E)  Echinodermata 
A)  Cnidaria 
B)  Porifera 
C)  Annelida 
D)  Ctenophora 
E)  Echinodermata

Question 13

The term "cleavage" refers to a series of meiotic cell divisions.

Accepted Answer

A) True 
 B)False

Question 14

Animals share a common origin with choanoflagellates.

Accepted Answer

A) True 
 B)False

Question 15

A true coelom develops within the ectoderm.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT an opisthokont, a monophyletic group characterized by a posterior flagellum on motile cells?

Accepted Answer

A)  Choanoflagellate 
B)  Fungus 
C)  Algae 
D)  Dog 
E)  Lizard 
A)  Choanoflagellate 
B)  Fungus 
C)  Algae 
D)  Dog 
E)  Lizard

Question 17

As a contemporary scientist, which of the following would you use as evidence to propose changing the traditional animal phylogenies?

Accepted Answer

A)  Fossil record 
B)  Molecular data 
C)  Predator-prey relationships 
D)  Newly discovered prokaryotes in soil 
E)  Better electron microscope pictures of cells 
A)  Fossil record 
B)  Molecular data 
C)  Predator-prey relationships 
D)  Newly discovered prokaryotes in soil 
E)  Better electron microscope pictures of cells

Question 18

Deuterostomes are split into the Ecdysozoa and the Lophotrochozoa.

Accepted Answer

A) True 
 B)False

Question 19

The rapid appearance of animals in the fossil record occurred during the Ediacaran radiation.

Accepted Answer

A) True 
 B)False

Question 20

Plankton consists mainly of microscopic organisms that float in the water.

Accepted Answer

A) True 
 B)False

Exam 30: An Introduction to Animal Diversity

How do protostomes differ from deuterostomes?

The first land animals likely moved onto land how long ago?

List the main differences between protostomes and deuterostomes.

A bilaterally symmetrical animal has how many axes?

Which statement best supports why animals most likely evolved in the ocean?

The first air-breathing land animals were:

A grasshopper belongs in the Ecdysozoa clade because of its ability to:

Describe the problems associated with a terrestrial existence and some of the adaptations of some animals for dealing with these problems.

Which animal phylum has an asymmetrical body plan?

The term "cleavage" refers to a series of meiotic cell divisions.

Animals share a common origin with choanoflagellates.

A true coelom develops within the ectoderm.

Which of the following is NOT an opisthokont, a monophyletic group characterized by a posterior flagellum on motile cells?

As a contemporary scientist, which of the following would you use as evidence to propose changing the traditional animal phylogenies?

Deuterostomes are split into the Ecdysozoa and the Lophotrochozoa.

The rapid appearance of animals in the fossil record occurred during the Ediacaran radiation.

Plankton consists mainly of microscopic organisms that float in the water.

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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