Question 1

Draw the complete metamorphosis cycle. Explain how metamorphosis reduces competition.

Accepted Answer

Concepts to Consider: Refer to FIGURE 31.32. Describe the food source and time spent in each stages.

Question 2

Match between columns
                        Premises: tapeworms

Accepted Answer

The Answer of Nematoda and Platyhelminthes and Rotifera and Porifera is...

Question 3

Parapodia are characteristic of oligochaetes.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following are exclusively terrestrial?

Accepted Answer

A)  insects 
B)  crustaceans 
C)  arachnids 
D)  merostomes 
E)  chilopods and diplopods 
A)  insects 
B)  crustaceans 
C)  arachnids 
D)  merostomes 
E)  chilopods and diplopods

Question 5

Annelids are segmented worms.

Accepted Answer

A) True 
 B)False

Question 6

After embryonic development, members of the phylum Rotifera are incapable of:

Accepted Answer

A)  reproduction 
B)  cell division 
C)  locomotion 
D)  excretion 
E)  ingestion 
A)  reproduction 
B)  cell division 
C)  locomotion 
D)  excretion 
E)  ingestion

Question 7

Why is the survival of coral reefs threatened by human activities and environmental factors?

Accepted Answer

Concepts to Consider: Briefly explain th

Question 8

Match between columns
                        Premises: "wheel animals"

Accepted Answer

The Answer of Nematoda and Rotifera and Ctenophora and Cnidaria is...

Question 9

One member of subphylum Chelicerata is a spider.

Accepted Answer

A) True 
 B)False

Question 10

Match between columns
                        Premises: comb jellies

Accepted Answer

The Answer of Rotifera and Cnidaria and Ctenophora and Arthropoda is...

Question 11

Which of the following is NOT a correct statement regarding ctenophores?

Accepted Answer

A)  They are an important part of plankton. 
B)  They are distinct from the species known as comb jelly. 
C)  They are biradially symmetrical. 
D)  They do not have stinging nematocysts. 
E)  They have a nervous system. 
A)  They are an important part of plankton. 
B)  They are distinct from the species known as comb jelly. 
C)  They are biradially symmetrical. 
D)  They do not have stinging nematocysts. 
E)  They have a nervous system.

Question 12

Insects are vectors of many diseases that affect humans. List these diseases and their insect vectors.

Accepted Answer

Malaria and yellow fever are transmitted

Question 13

Which of the following is a correct statement regarding cnidarians?

Accepted Answer

A)  They are less highly organized than sponges. 
B)  They have an ectoderm only (no endoderm). 
C)  They have a nerve net. 
D)  They have true muscle cells. 
E)  They do not have a hydrostatic skeleton. 
A)  They are less highly organized than sponges. 
B)  They have an ectoderm only (no endoderm). 
C)  They have a nerve net. 
D)  They have true muscle cells. 
E)  They do not have a hydrostatic skeleton.

Question 14

Which of the following groups use very long pedipalps as pinchers for capturing prey?

Accepted Answer

A)  spiders 
B)  ticks 
C)  harvestmen 
D)  scorpions 
E)  mites 
A)  spiders 
B)  ticks 
C)  harvestmen 
D)  scorpions 
E)  mites

Question 15

List two characteristics that have contributed to the biological success of the insects, and briefly explain the adaptive value of each characteristic that you identified.

Accepted Answer

Exoskeleton: protection against predator

Question 16

Where does digestion in a sponge takes place?

Accepted Answer

A)  spicule 
B)  osculum 
C)  mesophyll 
D)  spongocoel 
E)  individual cells 
A)  spicule 
B)  osculum 
C)  mesophyll 
D)  spongocoel 
E)  individual cells

Question 17

Match between columns
                        Premises: flatworms

Accepted Answer

The Answer of Annelida and Cnidaria and Nematoda and Arthropoda is...

Question 18

Which of the following are exclusively marine?

Accepted Answer

A)  chilopods and diplopods 
B)  mirostomes 
C)  arachnids 
D)  crustaceans 
E)  insects 
A)  chilopods and diplopods 
B)  mirostomes 
C)  arachnids 
D)  crustaceans 
E)  insects

Question 19

Within the phylum Cnidaria, corals are most closely related to which organism?

Accepted Answer

A)  Hydra 
B)  jellyfish 
C)  hydrozoans 
D)  sea anemones 
E)  Portuguese man-of-war 
A)  Hydra 
B)  jellyfish 
C)  hydrozoans 
D)  sea anemones 
E)  Portuguese man-of-war

Question 20

Match between columns
                        Premises: sponges

Accepted Answer

The Answer of Arthropoda and Mollusca and Rotifera and Porifera is...

Exam 31: Sponges, Cnidarians, Ctenophores, and Protostomes

Draw the complete metamorphosis cycle. Explain how metamorphosis reduces competition.

Parapodia are characteristic of oligochaetes.

Which of the following are exclusively terrestrial?

Annelids are segmented worms.

After embryonic development, members of the phylum Rotifera are incapable of:

Why is the survival of coral reefs threatened by human activities and environmental factors?

One member of subphylum Chelicerata is a spider.

Which of the following is NOT a correct statement regarding ctenophores?

Insects are vectors of many diseases that affect humans. List these diseases and their insect vectors.

Which of the following is a correct statement regarding cnidarians?

Which of the following groups use very long pedipalps as pinchers for capturing prey?

List two characteristics that have contributed to the biological success of the insects, and briefly explain the adaptive value of each characteristic that you identified.

Where does digestion in a sponge takes place?

Which of the following are exclusively marine?

Within the phylum Cnidaria, corals are most closely related to which organism?

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

An Introduction to Animal Diversity

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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