Question 1

Which of the following lack a "true" coelom?

Accepted Answer

A) flatworms 
B) annelids 
C) roundworms 
D) flatworms and roundworms 
E) flatworms and annelids 
A) flatworms 
B) annelids 
C) roundworms 
D) flatworms and roundworms 
E) flatworms and annelids D

Question 2

An unidentified arthropod with no antennae and eight legs could be closely related to

Accepted Answer

A) grasshoppers. 
B) ticks. 
C) crayfish. 
D) millipedes. 
E) trilobites. 
A) grasshoppers. 
B) ticks. 
C) crayfish. 
D) millipedes. 
E) trilobites. B

Question 3

Fossil evidence of animal life dates back __________ years.

Accepted Answer

A) 125 million 
B) 350 million 
C) 570 million 
D) 900 million 
E) 1.8 billion 
A) 125 million 
B) 350 million 
C) 570 million 
D) 900 million 
E) 1.8 billion C

Question 4

"Nerve net" describes the nervous system of

Accepted Answer

A) flatworms. 
B) cnidarians. 
C) annelids. 
D) sponges. 
E) none of these. 
A) flatworms. 
B) cnidarians. 
C) annelids. 
D) sponges. 
E) none of these.

Question 5

Sponges live in

Accepted Answer

A) shallow tropical seas. 
B) fresh water. 
C) cold, Antarctic seas. 
D) undersea farms. 
E) all of these. 
A) shallow tropical seas. 
B) fresh water. 
C) cold, Antarctic seas. 
D) undersea farms. 
E) all of these.

Question 6

All animals are

Accepted Answer

A) multicellular, heterotrophic, and diploid. 
B) multicellular, heterotrophic, and haploid. 
C) multicellular, autotrophic, and diploid. 
D) multicellular, autotrophic, and haploid. 
E) unicellular, autotrophic, and haploid. 
A) multicellular, heterotrophic, and diploid. 
B) multicellular, heterotrophic, and haploid. 
C) multicellular, autotrophic, and diploid. 
D) multicellular, autotrophic, and haploid. 
E) unicellular, autotrophic, and haploid.

Question 7

The exoskeleton of a butterfly does NOT provide which of the following?

Accepted Answer

A) physical protection 
B) physical support 
C) a barrier against dehydration 
D) a respiratory surface 
E) an anchoring site for muscles 
A) physical protection 
B) physical support 
C) a barrier against dehydration 
D) a respiratory surface 
E) an anchoring site for muscles

Question 8

The bulk of a jellyfish consists of

Accepted Answer

A) mesoderm. 
B) mesohyl. 
C) mesophyll. 
D) mesoglea. 
E) mesogel. 
A) mesoderm. 
B) mesohyl. 
C) mesophyll. 
D) mesoglea. 
E) mesogel.

Question 9

In size, rotifers are most comparable to which of the following?

Accepted Answer

A) flukes 
B) nematodes 
C) protistans 
D) jellyfishes 
E) sponges 
A) flukes 
B) nematodes 
C) protistans 
D) jellyfishes 
E) sponges

Question 10

Four of the five features listed below are characteristic of adult sea stars.Select the exception.

Accepted Answer

A) spiny skin 
B) tube foot 
C) water-vascular system 
D) bilateral symmetry 
E) ampulla 
A) spiny skin 
B) tube foot 
C) water-vascular system 
D) bilateral symmetry 
E) ampulla

Question 11

Which animal belongs to a subgroup of arthropods different from that of the other four?

Accepted Answer

A) horseshoe crab 
B) shrimp 
C) mite 
D) spider 
E) scorpion 
A) horseshoe crab 
B) shrimp 
C) mite 
D) spider 
E) scorpion

Question 12

Earthworms perform all EXCEPT which of the following?

Accepted Answer

A) chewing of food 
B) respiration 
C) tillage of the soil 
D) movement using chaetae 
E) excretion of water 
A) chewing of food 
B) respiration 
C) tillage of the soil 
D) movement using chaetae 
E) excretion of water

Question 13

Oval body, eight dorsal plates, grazer on rocky coasts is descriptive of

Accepted Answer

A) gastropods. 
B) snails. 
C) clams. 
D) slugs. 
E) chitons. 
A) gastropods. 
B) snails. 
C) clams. 
D) slugs. 
E) chitons.

Question 14

Molting in arthropods may involve a change in all but

Accepted Answer

A) body form and maturity. 
B) sex. 
C) body size. 
D) eating habits. 
E) sensory structures. 
A) body form and maturity. 
B) sex. 
C) body size. 
D) eating habits. 
E) sensory structures.

Question 15

Which of the following allows materials to diffuse into body cells and allows organs to grow larger and move more freely?

Accepted Answer

A) a coelom 
B) mesoderm 
C) a mantle 
D) a water-vascular system 
E) a saclike gut 
A) a coelom 
B) mesoderm 
C) a mantle 
D) a water-vascular system 
E) a saclike gut

Question 16

Which of the following is true of deuterostomes?

Accepted Answer

A) The first opening into the embryo becomes the anus. 
B) The first opening into the embryo becomes the mouth. 
C) The second opening into the embryo becomes the anus. 
D) The second opening into the embryo becomes the mouth. 
E) Both a and d are true. 
A) The first opening into the embryo becomes the anus. 
B) The first opening into the embryo becomes the mouth. 
C) The second opening into the embryo becomes the anus. 
D) The second opening into the embryo becomes the mouth. 
E) Both a and d are true.

Question 17

"Tardigrada" means

Accepted Answer

A) tough exoskeleton. 
B) many proglottids. 
C) slow walker. 
D) short digestive system. 
E) coelom. 
A) tough exoskeleton. 
B) many proglottids. 
C) slow walker. 
D) short digestive system. 
E) coelom.

Question 18

Cnidarians do NOT have

Accepted Answer

A) tentacles equipped with nematocysts. 
B) three germ layers. 
C) radial symmetry. 
D) a saclike gut. 
E) medusa stages. 
A) tentacles equipped with nematocysts. 
B) three germ layers. 
C) radial symmetry. 
D) a saclike gut. 
E) medusa stages.

Question 19

Cone snails

Accepted Answer

A) are predatory. 
B) are marine. 
C) produce toxins used in feeding. 
D) have shells that are prized for their beauty. 
E) fit all of these descriptions. 
A) are predatory. 
B) are marine. 
C) produce toxins used in feeding. 
D) have shells that are prized for their beauty. 
E) fit all of these descriptions.

Question 20

Use the figure above to answer questions
  
-Spicules are indicated by

Accepted Answer

A) A. 
B) B. 
C) C. 
D) D. 
E) E. 
A) A. 
B) B. 
C) C. 
D) D. 
E) E.

Exam 25: Animals: the Invertebrates

Which of the following lack a "true" coelom?

An unidentified arthropod with no antennae and eight legs could be closely related to

Fossil evidence of animal life dates back __________ years.

"Nerve net" describes the nervous system of

Sponges live in

All animals are

The exoskeleton of a butterfly does NOT provide which of the following?

The bulk of a jellyfish consists of

In size, rotifers are most comparable to which of the following?

Four of the five features listed below are characteristic of adult sea stars.Select the exception.

Which animal belongs to a subgroup of arthropods different from that of the other four?

Earthworms perform all EXCEPT which of the following?

Oval body, eight dorsal plates, grazer on rocky coasts is descriptive of

Molting in arthropods may involve a change in all but

Which of the following allows materials to diffuse into body cells and allows organs to grow larger and move more freely?

Which of the following is true of deuterostomes?

"Tardigrada" means

Cnidarians do NOT have

Cone snails

Use the figure above to answer questions -Spicules are indicated by

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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