Question 1

The large spiracles on the top of the head of skates and rays is for

Accepted Answer

A)  air intake for respiration. 
B)  water intake to prevent clogging the gills. 
C)  detection of bioelectric fields from prey buried in the sea bottom. 
D)  detection of chemical odors in the water. 
A)  air intake for respiration. 
B)  water intake to prevent clogging the gills. 
C)  detection of bioelectric fields from prey buried in the sea bottom. 
D)  detection of chemical odors in the water.

Question 2

The chimaera

Accepted Answer

A)  include representatives called ratfish and ghostfish. 
B)  have an odd mixture of shark-like and their own unique characteristics. 
C)  were more common in the Cretaceous than they are now. 
D)  have the upper jaw fused to the cranium. 
E)  All of the choices are correct 
A)  include representatives called ratfish and ghostfish. 
B)  have an odd mixture of shark-like and their own unique characteristics. 
C)  were more common in the Cretaceous than they are now. 
D)  have the upper jaw fused to the cranium. 
E)  All of the choices are correct

Question 3

Of what significance is it that gill supports immediately behind the jaws of sharks are hinged like jaws and serve to link the jaws to the braincase?

Accepted Answer

The significance of the gill supports, k

Question 4

Compare the swimming mechanisms of invertebrates such as cnidarians,platyhelminthes,and annelids with those of the fishes.Is one form superior to another? Why or why not?

Accepted Answer

The swimming mechanisms of invertebrates

Question 5

Shark characteristics include
having internal fertilization.
having isosmotic blood (compared to that of marine water)due to high concentrations of urea and trimethylamine oxide.
having teeth of modified placoid scales.
being able to detect bioelectric fields.
__
Having a swim bladded to control buoyancy

Accepted Answer

The answer of Shark characteristics include
having internal fertilization.
having isosmotic blood...

Exam 24: Fishes

The large spiracles on the top of the head of skates and rays is for

The chimaera

Of what significance is it that gill supports immediately behind the jaws of sharks are hinged like jaws and serve to link the jaws to the braincase?

Compare the swimming mechanisms of invertebrates such as cnidarians,platyhelminthes,and annelids with those of the fishes.Is one form superior to another? Why or why not?

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

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

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