Question 1

The members of class __________ have soft bodies with 11 segments,and are found in the leaf litter of forest floors.

Accepted Answer

A) Chilopoda 
B) Pauropoda 
C) Diplopoda 
D) Maxillopoda 
E) Hexapoda 
A) Chilopoda 
B) Pauropoda 
C) Diplopoda 
D) Maxillopoda 
E) Hexapoda

Question 2

Sea spiders belong to the class

Accepted Answer

A) Merostomata. 
B) Chelicerata. 
C) Arachnida. 
D) Pycnogonida. 
E) Trilobita. 
A) Merostomata. 
B) Chelicerata. 
C) Arachnida. 
D) Pycnogonida. 
E) Trilobita.

Question 3

How many tagmata do animals in the order Araneae have?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 4

Chelicerates have a cephalothorax,also known as the __________,which functions in sensation,feeding,and locomotion.

Accepted Answer

A) chelicera 
B) prosoma 
C) abdomen 
D) opisthosoma 
E) carapace 
A) chelicera 
B) prosoma 
C) abdomen 
D) opisthosoma 
E) carapace

Question 5

Appendages of trilobites were divided into two lobes,hence they are called

Accepted Answer

A) biped. 
B) uniramous. 
C) quadruped. 
D) aramous. 
E) biramous. 
A) biped. 
B) uniramous. 
C) quadruped. 
D) aramous. 
E) biramous.

Question 6

The arthropod skeleton hardens by __________,which is a formation of chemical bonds between protein chains.

Accepted Answer

A) carbonization 
B) tagmatization 
C) calcification 
D) chitinization 
E) sclerotization 
A) carbonization 
B) tagmatization 
C) calcification 
D) chitinization 
E) sclerotization

Question 7

Centipedes belong to the subphylum

Accepted Answer

A) Hexapoda. 
B) Crustacea. 
C) Trilobitomorpha. 
D) Chilopoda. 
E) Myriapoda. 
A) Hexapoda. 
B) Crustacea. 
C) Trilobitomorpha. 
D) Chilopoda. 
E) Myriapoda.

Question 8

Some ________ demonstrate a primitive form of vivipary.

Accepted Answer

A) spiders 
B) millipedes 
C) horseshoe crabs 
D) scorpions 
E) mites and ticks 
A) spiders 
B) millipedes 
C) horseshoe crabs 
D) scorpions 
E) mites and ticks

Question 9

The exoskeleton is often cited as one of the reasons for the success of arthropods.Which of the following concepts related to the exoskeleton would support this hypothesis? Check all that apply.

Accepted Answer

A)  Chitin in the procuticle is tough,yet flexible and contributes to the mechanical protection afforded by the exoskeleton. 
B)  Sclerotization is one form of hardening of the exoskeleton that results from the chemical crosslinking of proteins.This hardening provides protection,but it also leaves the exoskeleton some resiliency,which is advantageous for activities such as flapping wings and jumping. 
C)  The procuticle is thickened in the region of joints,which promotes a flexible armor. 
D)  The epicuticle is impregnated with waxy lipoproteins,which helps prevent water loss and is a barrier to microorganisms. 
E)  The exoskeleton is modified to form structures that include sensory receptors,modifications that permit gas exchange,and wings (in insects). 
A)  Chitin in the procuticle is tough,yet flexible and contributes to the mechanical protection afforded by the exoskeleton. 
B)  Sclerotization is one form of hardening of the exoskeleton that results from the chemical crosslinking of proteins.This hardening provides protection,but it also leaves the exoskeleton some resiliency,which is advantageous for activities such as flapping wings and jumping. 
C)  The procuticle is thickened in the region of joints,which promotes a flexible armor. 
D)  The epicuticle is impregnated with waxy lipoproteins,which helps prevent water loss and is a barrier to microorganisms. 
E)  The exoskeleton is modified to form structures that include sensory receptors,modifications that permit gas exchange,and wings (in insects).

Question 10

Horseshoe crabs belong to the arthropod subphylum

Accepted Answer

A) Chelicerata. 
B) Arachnida. 
C) Uniramia. 
D) Crustacea. 
E) Mandibulata. 
A) Chelicerata. 
B) Arachnida. 
C) Uniramia. 
D) Crustacea. 
E) Mandibulata.

Question 11

__________ between larval and adult stages of arthropods reduces competition for resources.

Accepted Answer

A) Asexual reproduction 
B) Regeneration 
C) Metamorphosis 
D) Ecdysis 
E) Parthenogenesis 
A) Asexual reproduction 
B) Regeneration 
C) Metamorphosis 
D) Ecdysis 
E) Parthenogenesis

Question 12

Spiders,ticks,and scorpions belong to the arthropod class

Accepted Answer

A) Chilopoda. 
B) Pycnogonida. 
C) Insecta. 
D) Merostomata. 
E) Arachnida. 
A) Chilopoda. 
B) Pycnogonida. 
C) Insecta. 
D) Merostomata. 
E) Arachnida.

Question 13

The extinct arthropod subphylum Trilobitomorpha was named for

Accepted Answer

A) the three known stages of the life cycle. 
B) the three known larval forms. 
C) the three geologic ages which were dominated by trilobites. 
D) the three longitudinal body divisions. 
E) the three species which have been identified. 
A) the three known stages of the life cycle. 
B) the three known larval forms. 
C) the three geologic ages which were dominated by trilobites. 
D) the three longitudinal body divisions. 
E) the three species which have been identified.

Question 14

Sensory receptors called __________ occur in the arthropod exoskeleton in the form of pegs,bristles,and lenses.

Accepted Answer

A) sensilla 
B) tactiles 
C) olfactors 
D) cirri 
E) palps 
A) sensilla 
B) tactiles 
C) olfactors 
D) cirri 
E) palps

Question 15

Gas exchange between the blood of horseshoe crabs and seawater occurs through

Accepted Answer

A) filamentous gills. 
B) book lungs. 
C) alveolar lungs. 
D) book gills. 
E) dermal branchiae. 
A) filamentous gills. 
B) book lungs. 
C) alveolar lungs. 
D) book gills. 
E) dermal branchiae.

Question 16

Millipedes may be characterized as

Accepted Answer

A) active predators. 
B) venomous. 
C) scavengers and detritivores. 
D) monoecious. 
E) viviparous. 
A) active predators. 
B) venomous. 
C) scavengers and detritivores. 
D) monoecious. 
E) viviparous.

Question 17

Which of the following phyla of animals are not ecdysozoan?

Accepted Answer

A) Arthropoda 
B) Nematoda 
C) Gastrotricha 
D) Nematomorpha 
E) Kinorhyncha 
A) Arthropoda 
B) Nematoda 
C) Gastrotricha 
D) Nematomorpha 
E) Kinorhyncha

Exam 14: The Arthropods: Blueprint for Success

The members of class __________ have soft bodies with 11 segments,and are found in the leaf litter of forest floors.

Sea spiders belong to the class

How many tagmata do animals in the order Araneae have?

Chelicerates have a cephalothorax,also known as the __________,which functions in sensation,feeding,and locomotion.

Appendages of trilobites were divided into two lobes,hence they are called

The arthropod skeleton hardens by __________,which is a formation of chemical bonds between protein chains.

Centipedes belong to the subphylum

Some ________ demonstrate a primitive form of vivipary.

The exoskeleton is often cited as one of the reasons for the success of arthropods.Which of the following concepts related to the exoskeleton would support this hypothesis? Check all that apply.

Horseshoe crabs belong to the arthropod subphylum

__________ between larval and adult stages of arthropods reduces competition for resources.

Spiders,ticks,and scorpions belong to the arthropod class

The extinct arthropod subphylum Trilobitomorpha was named for

Sensory receptors called __________ occur in the arthropod exoskeleton in the form of pegs,bristles,and lenses.

Gas exchange between the blood of horseshoe crabs and seawater occurs through

Millipedes may be characterized as

Which of the following phyla of animals are not ecdysozoan?

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Smaller Ecdysozoan Phyla

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

Filters