Question 1

The parasitic or micropredatory arachnids belong to the order ________.

Accepted Answer

The answer of The parasitic or micropredatory arachnids belong to...

Question 2

__________ differ from all other arachnids in having complete fusion of the cephalothorax and abdomen.

Accepted Answer

The answer of __________ differ from all other arachnids in...

Question 3

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

Accepted Answer

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

Question 4

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.

Question 5

Sea spiders

Accepted Answer

A)  are extinct. 
B)  feed on fluids of softbodied animals such as cnidarians. 
C)  resemble crustaceans. 
D)  have an unusually large abdomen. 
E)  are marine arachnid spiders. 
A)  are extinct. 
B)  feed on fluids of softbodied animals such as cnidarians. 
C)  resemble crustaceans. 
D)  have an unusually large abdomen. 
E)  are marine arachnid spiders.

Question 6

There are animal groups that have smaller individuals than arthropods and they have a few hundred or a few thousand species.And there are animal groups that contain much larger organisms,and they have a few hundred or a few thousand species.Why do the intermediate-sized arthropods have over a million species?

Accepted Answer

The incredible diversity of arthropods,

Question 7

Reproduction in millipedes is

Accepted Answer

A)  external in moist moss or soil. 
B)  internal and the young are born live. 
C)  internal and the eggs are abandoned under rocks and rotting logs. 
D)  internal and eggs are laid in a nest and guarded by the female. 
E)  by asexual segmentation. 
A)  external in moist moss or soil. 
B)  internal and the young are born live. 
C)  internal and the eggs are abandoned under rocks and rotting logs. 
D)  internal and eggs are laid in a nest and guarded by the female. 
E)  by asexual segmentation.

Question 8

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

Accepted Answer

The answer of Some mites,such as the _______ ________ or...

Question 9

The exoskeleton is a "suit of armor" with muscles attached from inside.Yet the exoskeleton must be periodically shed.Describe the layers of the exoskeleton and the process of molting.

Accepted Answer

The exoskeleton, often found in arthropo

Question 10

What features constitute "arthropodization" and what evidence exists that these features evolved once rather than several times independently?

Accepted Answer

Arthropodization refers to the suite of

Question 11

Chelicerate arthropods possess

Accepted Answer

A)  pedipalps. 
B)  antennae. 
C)  mandibles. 
D)  three pairs of walking legs. 
E)  All of the choices are chelicerate features. 
A)  pedipalps. 
B)  antennae. 
C)  mandibles. 
D)  three pairs of walking legs. 
E)  All of the choices are chelicerate features.

Question 12

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...

Exam 19: Trilobites, Chelicerates, and Myriapods

The parasitic or micropredatory arachnids belong to the order ________.

__________ differ from all other arachnids in having complete fusion of the cephalothorax and abdomen.

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

A male spider inseminates a female spider by

Sea spiders

Reproduction in millipedes is

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

The exoskeleton is a "suit of armor" with muscles attached from inside.Yet the exoskeleton must be periodically shed.Describe the layers of the exoskeleton and the process of molting.

What features constitute "arthropodization" and what evidence exists that these features evolved once rather than several times independently?

Chelicerate arthropods possess

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

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

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Crustaceans

Support, Protection, and Movement

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 Distributions

Animal Ecology

Filters

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