SHARK
Species
There
are over 360 species of sharks!
They
can range in size from small enough to fit in your hand to up to 46 feet!!
Smallest
Shark is the Pygmy Shark
Largest
Shark is the Whale Shark
Scientific
Classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Chondrichthyes
Infraclass:
Euselachii
Superorder:
Selachimorpha
Respiration
Sharks
have uncovered gills used for respiration
Extract
oxygen as water passes over the gills
Most
species of shark can pump water over their gills for when they are not
moving using the spiracle
Diets
All
sharks are carnivores, which means that they feed other animals
Life Span
Lifespan
varies by species
Most
live about 20 – 30 years
It
is thought that the whale shark can live over 100 years
Shark usually hatch from eggs at age 10
months
Hunting Habits
Bump
and Bite Technique
Shark
circles prey often bumping them before the actual attack.
They
are extremely territorial and will attack other animals that enter their
territory.
QUESTION
1. How many species of sharks are there: 280,
344, or 125?\
a. 160
b. 230
c. 350
d. 260
e. 360
2. Which is the largest shark species?
a. Pygym shark
b.
Whale shark
c. White shark
d. Hammerhead shark
e. Dogfish shark
3. What shark mostly attack human?
a. Pygym Shark
b. Whale shark
c.
White shark
d. Hammerhead shark
e. Dogfish shark
4. What is the shark third life cycle?
a. Eggs
b. Ovoviviparity
c.
Newborn shark
d. Youth shark
e. Adult shark
5. At what age is a shark ready to hatch?
a.
10 months
b. 11 months
c. 9 months
d. 12 months
e. 10 years