Sharks : The Animal Answer Guide.
Helfman, Gene.
Sharks : The Animal Answer Guide. - 1st ed. - 1 online resource (286 pages) - The Animal Answer Guides: Q&a for the Curious Naturalist Series . - The Animal Answer Guides: Q&a for the Curious Naturalist Series .
Cover -- Contents -- Acknowledgments -- Introduction -- 1 Introducing Sharks, Skates, Rays, and Chimaeras -- What is this book about? -- What are sharks and how are they classified? -- How many kinds of sharks are there? -- How did sharks get their name? -- Where do sharks live? -- When did sharks evolve? -- What are the largest and smallest sharks alive today? -- What is the fastest shark? -- What is the largest shark that ever lived? -- Where can I find fossil shark teeth? -- How can you tell whether a fossil shark lived in a river, a lake, or an ocean? -- Why are sharks important? -- Why should people care about sharks? -- 2 Form and Function of Sharks -- What is the metabolism of a shark? -- Are sharks cold-blooded or warm-blooded? -- What kind of teeth do sharks have? -- How many teeth does a shark have during its lifetime? -- Do a shark's teeth change during its life? -- What is the skeleton of a shark made of ? -- Does a shark have senses like ours? -- How good is a shark's sense of smell? -- How well can sharks hear? -- How well can sharks see? -- Can sharks see color? -- How do sharks detect electric fields? -- Do sharks sleep? -- Do sharks have scales like other fishes? -- How do sharks breathe under water? -- Must a shark keep swimming to breathe? -- How do sharks swim? -- How do a shark's fins function during swimming? -- How long can a shark live out of water? -- Why do hammerhead sharks have such strange heads? -- What kind of brains do sharks have? -- How large is a shark's brain? -- 3 Shark Colors -- Why are so many sharks dark on top and light on the bottom? -- Which sharks aren't countershaded? -- Are any sharks colorful? -- Are any sharks colorless? -- What causes the different colors of sharks? -- Is there a reason for the color patterns of sharks? -- What color are a shark's eyes? -- Do a shark's colors change as it grows?. Do a shark's colors change at different times of the day or in different seasons? -- Is there much geographic variation in the color of a shark species? -- 4 Shark Behavior -- Are sharks social? -- Do sharks form schools? -- Can sharks tell one another apart? -- Do sharks fight? -- Are any sharks territorial? -- Do sharks socialize with other kinds of animals? -- Why do sharks swim at the surface with their dorsal fins sticking out? -- How smart are sharks? -- Do sharks use tools? -- Do sharks play? -- Do sharks talk? -- What is "tonic immobility"? -- 5 Shark Ecology -- Do sharks migrate? -- How do sharks navigate? -- How many shark species live in rivers and lakes? -- How far down in the ocean do sharks live? -- Which geographic regions have the most species of sharks? -- Which sharks are most or least abundant? -- When during the day are sharks most active? -- How do sharks survive the winter? -- How do sharks survive droughts? -- Are there sharks in the desert? -- Do sharks have any enemies other than humans? -- How do sharks avoid predators? -- Do sharks get sick? -- Do sharks have parasites? -- How can you tell if a shark is sick? -- Are sharks good for the environment? -- 6 Reproduction and Development -- How do sharks reproduce? -- Do sharks lay eggs or do they give birth to live young? -- How long do female sharks hold young in their body? -- How long does it take for a baby shark to hatch from an egg case? -- Where do sharks lay their egg cases or give birth? -- Do sharks give birth or lay their egg cases at the same times and places every year? -- How many young does a mother shark produce? -- How often do sharks reproduce? -- What is a baby shark called? -- Are all the baby sharks in a mother full siblings? -- Do sharks care for their young? -- How is the sex of a shark determined? -- Can sharks reproduce asexually?. Is there such a thing as a hybrid shark? -- Do male and female sharks live together? -- At what size and age do sharks mature? -- How long do sharks live? -- How fast do sharks grow? -- How can you tell the age of a shark? -- 7 Foods and Feeding -- What do sharks eat? -- How do sharks find food? -- How do sharks catch their prey? -- When do sharks feed most? -- How often must sharks feed? -- Do sharks chew their food? -- How do sharks eat hard-shelled animals? -- Do sharks store their food? -- Must a shark turn on its back to feed? -- Do sharks cooperate with one another to feed? -- 8 Sharks and Humans -- Do sharks make good pets? -- What is the best way to take care of a pet shark? -- Are any medicines made from sharks? -- Do sharks feel pain? -- What should I do if I find an injured shark? -- What should I do if I find a shark that looks diseased? -- How can I see sharks in the wild? -- How can I see sharks in captivity? -- 9 Shark Problems (from a human's viewpoint) -- Are some sharks pests? -- Can there be too many sharks in an area? -- Are sharks dangerous to people? -- Why do sharks attack people? -- How likely are shark attacks? -- Can scientists estimate the size and species of a shark from bite marks? -- How can sharks be repelled? -- Do sharks have diseases and are they contagious? -- Is it safe to eat sharks? -- What should I do if I'm attacked or injured by a shark? -- 10 Human Problems (from a shark's viewpoint) -- Are any sharks endangered? -- Will sharks be affected by global warming? -- Are sharks affected by pollution? -- How are sharks affected by litter? -- How do people catch sharks? -- Why do people hunt sharks? -- How are shark fisheries managed? -- What is bycatch and can it be reduced? -- What is finning? -- Is there such a thing as shark leather? -- Is there such a thing as shark jewelry?. What other parts of sharks are used by humans? -- Are boats dangerous for sharks? -- What can an ordinary citizen do to help sharks? -- 11 Sharks in Stories, Media, and Literature -- What roles do sharks play in religion and mythology? -- What roles do sharks play in Western religions? -- Did early philosophers and naturalists mention sharks in their writings? -- What roles do sharks play in various cultures? -- What roles do sharks play in popular culture? -- What roles have sharks played in art and literature? -- 12 "Sharkology" -- Who studies sharks? -- Can anyone study sharks? -- Which species are best known? -- Which species are least known? -- How do scientists tell sharks apart? -- How do scientists study the movements of large sharks? -- Appendix A: Sharks, Skates, Rays, and Chimaeras of the World -- Appendix B: Organizations That Promote the Study and Conservation of Sharks -- Appendix C: Websites That Provide Useful and Accurate Information on Sharks -- Bibliography -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- R -- S -- T -- U -- W -- X -- Y -- Z.
Whether your fascination with sharks stems from fear or curiosity, your knowledge of these animals will improve immensely when you consult this book.
9781421413105
Sharks-Miscellanea.
Chondrichthyes-Miscellanea.
Electronic books.
QL638.6 .H45 2014
597.3
Sharks : The Animal Answer Guide. - 1st ed. - 1 online resource (286 pages) - The Animal Answer Guides: Q&a for the Curious Naturalist Series . - The Animal Answer Guides: Q&a for the Curious Naturalist Series .
Cover -- Contents -- Acknowledgments -- Introduction -- 1 Introducing Sharks, Skates, Rays, and Chimaeras -- What is this book about? -- What are sharks and how are they classified? -- How many kinds of sharks are there? -- How did sharks get their name? -- Where do sharks live? -- When did sharks evolve? -- What are the largest and smallest sharks alive today? -- What is the fastest shark? -- What is the largest shark that ever lived? -- Where can I find fossil shark teeth? -- How can you tell whether a fossil shark lived in a river, a lake, or an ocean? -- Why are sharks important? -- Why should people care about sharks? -- 2 Form and Function of Sharks -- What is the metabolism of a shark? -- Are sharks cold-blooded or warm-blooded? -- What kind of teeth do sharks have? -- How many teeth does a shark have during its lifetime? -- Do a shark's teeth change during its life? -- What is the skeleton of a shark made of ? -- Does a shark have senses like ours? -- How good is a shark's sense of smell? -- How well can sharks hear? -- How well can sharks see? -- Can sharks see color? -- How do sharks detect electric fields? -- Do sharks sleep? -- Do sharks have scales like other fishes? -- How do sharks breathe under water? -- Must a shark keep swimming to breathe? -- How do sharks swim? -- How do a shark's fins function during swimming? -- How long can a shark live out of water? -- Why do hammerhead sharks have such strange heads? -- What kind of brains do sharks have? -- How large is a shark's brain? -- 3 Shark Colors -- Why are so many sharks dark on top and light on the bottom? -- Which sharks aren't countershaded? -- Are any sharks colorful? -- Are any sharks colorless? -- What causes the different colors of sharks? -- Is there a reason for the color patterns of sharks? -- What color are a shark's eyes? -- Do a shark's colors change as it grows?. Do a shark's colors change at different times of the day or in different seasons? -- Is there much geographic variation in the color of a shark species? -- 4 Shark Behavior -- Are sharks social? -- Do sharks form schools? -- Can sharks tell one another apart? -- Do sharks fight? -- Are any sharks territorial? -- Do sharks socialize with other kinds of animals? -- Why do sharks swim at the surface with their dorsal fins sticking out? -- How smart are sharks? -- Do sharks use tools? -- Do sharks play? -- Do sharks talk? -- What is "tonic immobility"? -- 5 Shark Ecology -- Do sharks migrate? -- How do sharks navigate? -- How many shark species live in rivers and lakes? -- How far down in the ocean do sharks live? -- Which geographic regions have the most species of sharks? -- Which sharks are most or least abundant? -- When during the day are sharks most active? -- How do sharks survive the winter? -- How do sharks survive droughts? -- Are there sharks in the desert? -- Do sharks have any enemies other than humans? -- How do sharks avoid predators? -- Do sharks get sick? -- Do sharks have parasites? -- How can you tell if a shark is sick? -- Are sharks good for the environment? -- 6 Reproduction and Development -- How do sharks reproduce? -- Do sharks lay eggs or do they give birth to live young? -- How long do female sharks hold young in their body? -- How long does it take for a baby shark to hatch from an egg case? -- Where do sharks lay their egg cases or give birth? -- Do sharks give birth or lay their egg cases at the same times and places every year? -- How many young does a mother shark produce? -- How often do sharks reproduce? -- What is a baby shark called? -- Are all the baby sharks in a mother full siblings? -- Do sharks care for their young? -- How is the sex of a shark determined? -- Can sharks reproduce asexually?. Is there such a thing as a hybrid shark? -- Do male and female sharks live together? -- At what size and age do sharks mature? -- How long do sharks live? -- How fast do sharks grow? -- How can you tell the age of a shark? -- 7 Foods and Feeding -- What do sharks eat? -- How do sharks find food? -- How do sharks catch their prey? -- When do sharks feed most? -- How often must sharks feed? -- Do sharks chew their food? -- How do sharks eat hard-shelled animals? -- Do sharks store their food? -- Must a shark turn on its back to feed? -- Do sharks cooperate with one another to feed? -- 8 Sharks and Humans -- Do sharks make good pets? -- What is the best way to take care of a pet shark? -- Are any medicines made from sharks? -- Do sharks feel pain? -- What should I do if I find an injured shark? -- What should I do if I find a shark that looks diseased? -- How can I see sharks in the wild? -- How can I see sharks in captivity? -- 9 Shark Problems (from a human's viewpoint) -- Are some sharks pests? -- Can there be too many sharks in an area? -- Are sharks dangerous to people? -- Why do sharks attack people? -- How likely are shark attacks? -- Can scientists estimate the size and species of a shark from bite marks? -- How can sharks be repelled? -- Do sharks have diseases and are they contagious? -- Is it safe to eat sharks? -- What should I do if I'm attacked or injured by a shark? -- 10 Human Problems (from a shark's viewpoint) -- Are any sharks endangered? -- Will sharks be affected by global warming? -- Are sharks affected by pollution? -- How are sharks affected by litter? -- How do people catch sharks? -- Why do people hunt sharks? -- How are shark fisheries managed? -- What is bycatch and can it be reduced? -- What is finning? -- Is there such a thing as shark leather? -- Is there such a thing as shark jewelry?. What other parts of sharks are used by humans? -- Are boats dangerous for sharks? -- What can an ordinary citizen do to help sharks? -- 11 Sharks in Stories, Media, and Literature -- What roles do sharks play in religion and mythology? -- What roles do sharks play in Western religions? -- Did early philosophers and naturalists mention sharks in their writings? -- What roles do sharks play in various cultures? -- What roles do sharks play in popular culture? -- What roles have sharks played in art and literature? -- 12 "Sharkology" -- Who studies sharks? -- Can anyone study sharks? -- Which species are best known? -- Which species are least known? -- How do scientists tell sharks apart? -- How do scientists study the movements of large sharks? -- Appendix A: Sharks, Skates, Rays, and Chimaeras of the World -- Appendix B: Organizations That Promote the Study and Conservation of Sharks -- Appendix C: Websites That Provide Useful and Accurate Information on Sharks -- Bibliography -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- R -- S -- T -- U -- W -- X -- Y -- Z.
Whether your fascination with sharks stems from fear or curiosity, your knowledge of these animals will improve immensely when you consult this book.
9781421413105
Sharks-Miscellanea.
Chondrichthyes-Miscellanea.
Electronic books.
QL638.6 .H45 2014
597.3