Sharks : the animal answer guide / Gene Helfman and George H. Burgess.
- ISBN: 9781421413105
- ISBN: 1421413108
- Physical Description: 1 online resource.
- Publisher: Baltimore : The Johns Hopkins University Press, 2014.
|Bibliography, etc. Note:|| Includes bibliographical references and index.
|Formatted Contents Note:|| 1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards 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 diseases -- 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 are 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.
|Source of Description Note:|| Print version record.
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