Under the Sea
Ms. Lamond
Second grade, Science
Click on
an
under
the sea
creature
to learn
more
about it:
Jellyfish
Stingray
Blue Whale
Sea Turtle
Octopus
Cleaner Shrimp
Starfish
Clownfish
Review Question!
Jellyfish
• Jellyfish differ in
size, they can be as
big as a human or
can be the size of a
pinhead.
• Jellyfish don’t have
brains.
• Only some Jellyfish
have eyes.
• A group of Jellyfish
is called a smack.
Stingray
• Stingrays do not have
bones, instead their
bodies are all cartilage.
• The Stingrays’ tail is
armed for defense.
• A Stingray’s mouth is
on the underside of its
body.
• Stingrays eat mussels,
crabs, shrimp, clams,
and oysters. They
crush these by using
their strong jaw.
Octopus
• A female octopus is
called a hen.
• They can lay up to
100 thousand eggs.
• An octopus sees the
same thing upside
down as they do
right side up.
• Octopi like to stay
hidden in dark
places.
Blue Whale
• Blue Whale is the
largest animal in the
world.
• The heart of a Blue
Whale is the size of a
small car.
• They are also the
loudest animal on
Earth.
• The Blue Whale eats
about 6-7 tons of krill
a day.
Cleaner Shrimp
• Cleaner Shrimp eat the
parasites off of fish,
coral and other
organisms.
• From this relationship,
the organisms have
their parasites removed
and the shrimp gain
nutritional value.
• To attract a “client” the
cleaner shrimp perform
a “rocking dance”.
Sea Turtle
• Sea Turtles are one of the
Earth’s most ancient
creatures.
• The Sea Turtle ranges in
color from yellow,
greenish and black,
depending on species.
• Unlike other turtles, Sea
Turtles cannot retract
their heads or legs into
their shells.
• Sea Turtles diet includes
jellyfish, seaweed, crabs,
shrimp, sponges, snails,
algae and mollusks.
Starfish
• There are over 2,000
different species oof
starfish.
• If a starfish gets
chopped into pieces,
each piece can grow a
whole new starfish.
• Most starfish have 5
arms, but some can
have as many as 12.
• Starfish have no brains
and their body
contains no blood.
Clownfish
• Clownfish can be orange,
yellow, maroon and many
other colors.
• Clownfish are between two
and five inches long.
• Clownfish like to hang out
around anemones because
the anemone has poisonous
tentacles that paralyzes fish
and the Clownfish eat the
left over that the anemones
does not finish.
• Clownfish live on the ocean
floor.
Review Question
Which of these sea creatures HAS
a brain?
A. Jellyfish
B. Sea Turtle
C. Starfish
Good Try!
Jellyfish DO NOT have brains.
Try Again!
GREAT JOB!!
Sea Turtles do have a brain! They need them
to protect themselves since they cannot
retract into their shells!
Good Try!
Starfish DO NOT have brains.
Try Again!
CONGRATULATIONS! You
have completed this lesson on
under the sea creatures!
Click on the image above to return to the title slide for the next student.