Question 1

The mouthparts of ticks and mites are carried on an anterior projection called the __________.

Accepted Answer

capitulum

Question 2

Some mites,such as the _______ ________ or family Tetranychidae,are very destructive to plants.

Accepted Answer

spider mites

Question 3

A male spider inseminates a female spider by

Accepted Answer

A) normal abdomen to abdomen mating. 
B) external fertilization where a male spider dances a female over a spermatophore packet. 
C) injecting sperm with his pedipalps and then rapidly retreating before being eaten. 
D) transferring sperm via silk. 
E) avoiding the dangerous female spider altogether and fertilizing the eggs after they are laid in an egg case. 
A) normal abdomen to abdomen mating. 
B) external fertilization where a male spider dances a female over a spermatophore packet. 
C) injecting sperm with his pedipalps and then rapidly retreating before being eaten. 
D) transferring sperm via silk. 
E) avoiding the dangerous female spider altogether and fertilizing the eggs after they are laid in an egg case. C

Question 4

Chelicerates have six pairs of appendages that include a pair of pedipalps,four pairs of walking legs,and a pair of ____________________.

Accepted Answer

The answer of Chelicerates have six pairs of appendages that...

Question 5

Members of the subphylum ________________ were abundant during the Cambrian period.

Accepted Answer

The answer of Members of the subphylum ________________ were abundant...

Question 6

Spiders and insects have an excretory system composed of

Accepted Answer

A) permeable surface cuticle. 
B) enclosed book lungs. 
C) flame cells. 
D) green glands. 
E) malpighian tubules. 
A) permeable surface cuticle. 
B) enclosed book lungs. 
C) flame cells. 
D) green glands. 
E) malpighian tubules.

Question 7

Centipedes

Accepted Answer

A) are herbivorous. 
B) have poison claws. 
C) have five pairs of legs. 
D) use gills for respiration. 
E) are parthenogenetic and always oviparous. 
A) are herbivorous. 
B) have poison claws. 
C) have five pairs of legs. 
D) use gills for respiration. 
E) are parthenogenetic and always oviparous.

Question 8

Trilobites exist today as

Accepted Answer

A) freshwater dwellers. 
B) terrestrial crustaceans. 
C) aquatic insects. 
D) horseshoe crabs. 
E) fossils only;they are all extinct. 
A) freshwater dwellers. 
B) terrestrial crustaceans. 
C) aquatic insects. 
D) horseshoe crabs. 
E) fossils only;they are all extinct.

Question 9

Discuss features of ticks that make them such excellent vectors of human arthropod-borne diseases.

Accepted Answer

Ticks are excellent vectors of human art

Question 10

You would be most likely to find a pauropod if you examined

Accepted Answer

A) the fur of a mammal,since they are parasites. 
B) under a rock in a stream. 
C) moist soil,leaf litter,or decaying debris. 
D) inside the juicy tissues of a host plant. 
E) an intertidal pool. 
A) the fur of a mammal,since they are parasites. 
B) under a rock in a stream. 
C) moist soil,leaf litter,or decaying debris. 
D) inside the juicy tissues of a host plant. 
E) an intertidal pool.

Question 11

During mating in spiders,the male inserts his ____________ into the genital opening of the female.

Accepted Answer

The answer of During mating in spiders,the male inserts his...

Question 12

Another name for the harvestman is ________ ________.

Accepted Answer

The answer of Another name for the harvestman is ________...

Question 13

The correct order for layers of ectoskeleton from outside to inside is

Accepted Answer

A) endocuticle-epicuticle-exocuticle. 
B) endocuticle-exocuticle-epicuticle. 
C) exocuticle-endocuticle-epicuticle. 
D) epicuticle-exocuticle-endocuticle. 
E) exocuticle-epicuticle-endocuticle. 
A) endocuticle-epicuticle-exocuticle. 
B) endocuticle-exocuticle-epicuticle. 
C) exocuticle-endocuticle-epicuticle. 
D) epicuticle-exocuticle-endocuticle. 
E) exocuticle-epicuticle-endocuticle.

Question 14

What is the evidence that suggests pycnogonids are more closely related to crustaceans than to other arthropods? Why is this evidence contrary to molecular evidence that suggests otherwise?

Accepted Answer

The evidence that suggests pycnogonids a

Question 15

Eurypterids

Accepted Answer

A) resembled insects. 
B) are extinct. 
C) are called sea spiders. 
D) were very small aquatic scorpions. 
E) were huge ancient scorpions that wandered on land. 
A) resembled insects. 
B) are extinct. 
C) are called sea spiders. 
D) were very small aquatic scorpions. 
E) were huge ancient scorpions that wandered on land.

Question 16

The millipedes

Accepted Answer

A) bear two pairs of legs on most body segments. 
B) are very beneficial because they feed on insects. 
C) are more active than centipedes because they have more legs. 
D) have flattened bodies in contrast to centipedes. 
E) lack spiracles and tracheae and therefore differ from centipedes. 
A) bear two pairs of legs on most body segments. 
B) are very beneficial because they feed on insects. 
C) are more active than centipedes because they have more legs. 
D) have flattened bodies in contrast to centipedes. 
E) lack spiracles and tracheae and therefore differ from centipedes.

Question 17

Four classes of myriapods are Chilopoda,Pauropoda,Symphyla and _____________.

Accepted Answer

The answer of Four classes of myriapods are Chilopoda,Pauropoda,Symphyla and...

Question 18

Groups of segments fused or combined into functional groups are called __________.

Accepted Answer

The answer of Groups of segments fused or combined into...

Question 19

You find a white,soft-bodied myriapod in the soil in a flower pot.It has long antenna but lacks eyes and fang-like claws.It most likely is a

Accepted Answer

A) pauropod. 
B) symphylan. 
C) centipede. 
D) millipede. 
E) None of the choices is correct. 
A) pauropod. 
B) symphylan. 
C) centipede. 
D) millipede. 
E) None of the choices is correct.

Question 20

The excretory system of insects and spiders works by

Accepted Answer

A) excreting wastes across the digestive system membrane. 
B) active transport of just the waste molecules across the tubules. 
C) transport of all ions and solutes across the tubule and retrieval of water and useful ions in the rectum. 
D) excretion of only ions and wastes in the rectum. 
E) packaging and sealing off toxic wastes until the organism dies. 
A) excreting wastes across the digestive system membrane. 
B) active transport of just the waste molecules across the tubules. 
C) transport of all ions and solutes across the tubule and retrieval of water and useful ions in the rectum. 
D) excretion of only ions and wastes in the rectum. 
E) packaging and sealing off toxic wastes until the organism dies.

Exam 19: Trilobites, Chelicerates, and Myriapods

The mouthparts of ticks and mites are carried on an anterior projection called the __________.

Some mites,such as the _______ ________ or family Tetranychidae,are very destructive to plants.

A male spider inseminates a female spider by

Chelicerates have six pairs of appendages that include a pair of pedipalps,four pairs of walking legs,and a pair of ____________________.

Members of the subphylum ________________ were abundant during the Cambrian period.

Spiders and insects have an excretory system composed of

Centipedes

Trilobites exist today as

Discuss features of ticks that make them such excellent vectors of human arthropod-borne diseases.

You would be most likely to find a pauropod if you examined

During mating in spiders,the male inserts his ____________ into the genital opening of the female.

Another name for the harvestman is ________ ________.

The correct order for layers of ectoskeleton from outside to inside is

What is the evidence that suggests pycnogonids are more closely related to crustaceans than to other arthropods? Why is this evidence contrary to molecular evidence that suggests otherwise?

Eurypterids

The millipedes

Four classes of myriapods are Chilopoda,Pauropoda,Symphyla and _____________.

Groups of segments fused or combined into functional groups are called __________.

You find a white,soft-bodied myriapod in the soil in a flower pot.It has long antenna but lacks eyes and fang-like claws.It most likely is a

The excretory system of insects and spiders works by

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

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Some mites,such as the _ __ or family Tetranychidae,are very destructive to plants.

Another name for the harvestman is .