Shark Curiosities


Shark CuriositiesOnline version Know some curiosities about sharks by CLARISSA MAYTE RODRIGUEZ CARDONA 1 Do sharks have bones? a Partial bones in fins b Only their jaws are bones c No; they have cartilage skeletons. d Yes, they have bones throughout 2 What sensory organ helps sharks detect electric fields? a Ampullae of Lorenzini b Optic nerves c Olfactory bulbs d Lateral line system 3 How do most sharks give birth? a Oviparous (egg-laying) b Viviparous with placenta c Ovoviviparous d Eggs laid and hatched outside the body 4 What is unique about a shark’s skin? a Placoid scales (dermal denticles) b Feather-like scales c Hair-like filaments d Bone plates like armor 5 What do great white sharks primarily feed on? a Seals and sea lions b Plankton only c Fish only d Squid only 6 How long can some sharks go without eating? a One year b Several months c A few days d One week 7 Do all sharks need to keep swimming to breathe? a They cannot breathe underwater b No; some must swim to breathe, others can rest. c Yes, every shark must swim constantly d Sharks breathe air like fish 8 Which shark is known for its speed? a Bull shark b Great white shark c Hammerhead shark d Shortfin mako shark 9 Where are most shark species found? a In oceans worldwide b Only near polar regions c Only in tropical seas d Only in freshwater rivers

1

Do sharks have bones?

a

Partial bones in fins

b

Only their jaws are bones

c

No; they have cartilage skeletons.

d

Yes, they have bones throughout

2

What sensory organ helps sharks detect electric fields?

a

Ampullae of Lorenzini

b

Optic nerves

c

Olfactory bulbs

d

Lateral line system

3

How do most sharks give birth?

a

Oviparous (egg-laying)

b

Viviparous with placenta

c

Ovoviviparous

d

Eggs laid and hatched outside the body

4

What is unique about a shark’s skin?

a

Placoid scales (dermal denticles)

b

Feather-like scales

c

Hair-like filaments

d

Bone plates like armor

5

What do great white sharks primarily feed on?

a

Seals and sea lions

b

Plankton only

c

Fish only

d

Squid only

6

How long can some sharks go without eating?

a

One year

b

Several months

c

A few days

d

One week

7

Do all sharks need to keep swimming to breathe?

a

They cannot breathe underwater

b

No; some must swim to breathe, others can rest.

c

Yes, every shark must swim constantly

d

Sharks breathe air like fish

8

Which shark is known for its speed?

a

Bull shark

b

Great white shark

c

Hammerhead shark

d

Shortfin mako shark

9

Where are most shark species found?

a

In oceans worldwide

b

Only near polar regions

c

Only in tropical seas

d

Only in freshwater rivers