Sharks 4/4 Question Preview (ID: 1908)


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The carboniferous period is know as the ______ because there were many sharks tha lived during this time
a) industrial revolution
b) golden age of the shark
c) modern period
d) age of fish

homeothermic means
a) able to maintain body temperature independentlyly of the enviornment
b) takes on a body temperature of the environmental temperature
c)
d)

why are big sharks relatively rare?
a) food pyramid cannot support many
b) sharks use birth control
c) many young sharks die violent deaths
d)

name an evolutionary milestones of the shark
a) notochord and brain
b) fins
c) gills
d) all of the answers are correct

Name marine creature that have symbiotic relationships with sharks ( YOU WILL HAVE TO DESCRIBE THE RELATIONSHIP OF THE TEST)
a) remora fish
b) pilot fish
c) wrasse
d) all of the asnwers are correct

poikilothermic
a) able to maintain body temperature independentlyly of the enviornment
b) takes on a body temperature of the environmental temperature
c)
d)

Name an enemy of the shark, (you will have to describe the danger they pose to sharks)
a) larger sharks
b) dolphins
c) parasites - lice, tapewaorms
d) all of the answers are correct

why are sharks able to open their mouth so wide
a) upper and lower jaws are separate from skull
b) they have big mouths
c) they are very humgry
d)

Ovoviparous means
a) egg layer
b) eggs retained inside mother, young grow inside mother
c) placental birth
d)

vivparous
a) egg layer
b) placental birth
c) eggs retained inside mother, young grow inside mother
d)

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