Question 1

Leeches are in the phylum:

Accepted Answer

A) Nematoda. 
B) Mollusca. 
C) Annelida. 
D) Cnidaria. 
E) Platyhelminthes. 
A) Nematoda. 
B) Mollusca. 
C) Annelida. 
D) Cnidaria. 
E) Platyhelminthes.

Question 2

Discuss why nearly all larger animals have circulatory systems,and describe the differences between the open circulatory system and the closed circulatory system.

Accepted Answer

Diffusion is too slow for movement of nu

Question 3

Snails and slugs are in which mollusc group?

Accepted Answer

A) cephalopod 
B) bivalve 
C) gastropod 
D) arthropod 
E) radula 
A) cephalopod 
B) bivalve 
C) gastropod 
D) arthropod 
E) radula

Question 4

There is far more animal diversity in the ocean than on land in part because animals first evolved in the ocean.

Accepted Answer

A) True 
 B)False

Question 5

Corals exhibit the polyp body form only.

Accepted Answer

A) True 
 B)False

Question 6

"Collar cells" perform what function for sponges?

Accepted Answer

A) create a current to pull water through pores 
B) ingest food particles 
C) help the sponge move through water 
D) anchor the sponge to a base 
E) produce a body cavity 
A) create a current to pull water through pores 
B) ingest food particles 
C) help the sponge move through water 
D) anchor the sponge to a base 
E) produce a body cavity

Question 7

Ticks and horseshoe crabs are members of subphylum:

Accepted Answer

A) Urochordata. 
B) Chelicerata. 
C) Crustacea. 
D) Insecta. 
E) Uniramia. 
A) Urochordata. 
B) Chelicerata. 
C) Crustacea. 
D) Insecta. 
E) Uniramia.

Question 8

Sponges,cnidarians,and flatworms all lack which characteristic found in most other animal groups?

Accepted Answer

A) tissues 
B) a coelom 
C) symmetry 
D) the blastula embryo 
E) motility 
A) tissues 
B) a coelom 
C) symmetry 
D) the blastula embryo 
E) motility

Question 9

What are the benefits and challenges of an exoskeleton?

Accepted Answer

The chief benefit is that an e

Question 10

A hermaphrodite is an organism that:

Accepted Answer

A) generally reproduces asexually. 
B) does not require males for sexual reproduction. 
C) possesses both male and female sex organs. 
D) can select the sex of its offspring. 
E) usually stores sperm in female structures for months after copulation. 
A) generally reproduces asexually. 
B) does not require males for sexual reproduction. 
C) possesses both male and female sex organs. 
D) can select the sex of its offspring. 
E) usually stores sperm in female structures for months after copulation.

Question 11

Which statement about the vertebrates is most accurate?

Accepted Answer

A) They are the dominant phylum in the animal kingdom. 
B) There are more vertebrate species than flatworms or cnidarians but fewer than there are insects. 
C) They are the only group to have evolved aquatic, terrestrial, and flying lifestyles. 
D) They evolved from echinoderms. 
E) They evolved from molluscs. 
A) They are the dominant phylum in the animal kingdom. 
B) There are more vertebrate species than flatworms or cnidarians but fewer than there are insects. 
C) They are the only group to have evolved aquatic, terrestrial, and flying lifestyles. 
D) They evolved from echinoderms. 
E) They evolved from molluscs.

Question 12

A characteristic of annelids is:

Accepted Answer

A) freshwater existence. 
B) parasitism. 
C) ocean-dwelling existence. 
D) a radula. 
E) body segmentation. 
A) freshwater existence. 
B) parasitism. 
C) ocean-dwelling existence. 
D) a radula. 
E) body segmentation.

Question 13

We see a great deal of variation in reproductive strategies in the animal kingdom.Evaluate the basic strategies and trends in egg fertilization and protection in sexually reproducing animals.

Accepted Answer

The more primitive animals simply releas

Question 14

Whereas all animals are multicellular,some are nevertheless microscopic.

Accepted Answer

A) True 
 B)False

Question 15

A form of asexual reproduction in which an unfertilized egg can develop into an adult organism is:

Accepted Answer

A) budding. 
B) fission. 
C) oviparous reproduction. 
D) parthenogenesis. 
E) hermaphrodism. 
A) budding. 
B) fission. 
C) oviparous reproduction. 
D) parthenogenesis. 
E) hermaphrodism.

Question 16

A marine animal with tube feet and radial symmetry is certainly an echinoderm.

Accepted Answer

A) True 
 B)False

Question 17

Match between columns
                        Premises: Nematoda
Mollusca
Porifera
Cnidaria
Arthropoda

Accepted Answer

The Answer of collar cells and trichinosis and medusa stage is...

Question 18

As part of your independent study in field biology,you are sent to a small,inland sea.In one of your samples,you discover a small eel-like creature.It has a stiff,rod-shaped structure running the length of its dorsal side,with a line of nervous tissue running along with it.You would begin the process of classifying this organism by placing it in phylum:

Accepted Answer

A) Vertebrata. 
B) Arthropoda. 
C) Chordata. 
D) Cnidaria. 
E) Mollusca. 
A) Vertebrata. 
B) Arthropoda. 
C) Chordata. 
D) Cnidaria. 
E) Mollusca.

Question 19

Match between columns
                        Premises: Hermaphrodite
Amnion
Viviparous
Asexual budding
Oviparous
Parthenogenesis

Accepted Answer

The Answer of fertilized egg develops in the mother's body is...

Question 20

A notochord is a:

Accepted Answer

A) tough yet flexible support structure. 
B) dorsal nerve cord. 
C) ventral nerve cord. 
D) specialized tail adapted for swimming. 
E) tube for circulating water through gills. 
A) tough yet flexible support structure. 
B) dorsal nerve cord. 
C) ventral nerve cord. 
D) specialized tail adapted for swimming. 
E) tube for circulating water through gills.

Exam 23: Animals: the Diversity of Life 3

Leeches are in the phylum:

Discuss why nearly all larger animals have circulatory systems,and describe the differences between the open circulatory system and the closed circulatory system.

Snails and slugs are in which mollusc group?

There is far more animal diversity in the ocean than on land in part because animals first evolved in the ocean.

Corals exhibit the polyp body form only.

"Collar cells" perform what function for sponges?

Ticks and horseshoe crabs are members of subphylum:

Sponges,cnidarians,and flatworms all lack which characteristic found in most other animal groups?

What are the benefits and challenges of an exoskeleton?

A hermaphrodite is an organism that:

Which statement about the vertebrates is most accurate?

A characteristic of annelids is:

We see a great deal of variation in reproductive strategies in the animal kingdom.Evaluate the basic strategies and trends in egg fertilization and protection in sexually reproducing animals.

Whereas all animals are multicellular,some are nevertheless microscopic.

A form of asexual reproduction in which an unfertilized egg can develop into an adult organism is:

A marine animal with tube feet and radial symmetry is certainly an echinoderm.

A notochord is a:

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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