Virtual Dissection Lab Hello Welcome to Mr Ds Virtual Dissection Lab While you may not be able to participate in the lab I hope you will find this quick exploration into the world of one of the coolest cephalopods ID: 410269
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Slide1
Virtual Squid DissectionSlide2
Virtual Dissection Lab
Hello! Welcome to Mr. D’s Virtual Dissection Lab.
While you may not be able to participate in the lab, I hope you will find this quick exploration into the world of one of the coolest cephalopods
fun!!Slide3
Please watch the following video. It will give you a glimpse into the world of the Squid
Wait for the play button to appearSlide4
Squids Info!
The Squid is an
invertebrate
(animal without a backbone) that swims in the oceans. This mollusk is closely related to the octopus. Squid can change the color of their skin to mimic their environment and hide from predators.
Squid are soft-bodied
organisms. They are classifieds as
Phylum
:
Mollusk
,
Class
cephalopods
. They move by squirting water from the mantle through the siphon, using a type of jet propulsion. When in danger, squid squirt a cloud of dark ink in order to confuse their attacker and allow the squid to escape. Squid reproduce by releasing eggs into the water. Some squid eggs are free-floating, others are attached to seaweed or to the ocean floor. Slide5
Anatomy
: Squid range from 1 to 60
ft
(0.3 to 18 m) long. The biggest squid is the
Giant Squid (
Architeuthis
)
.
Squid have a large mantle/head (with a large brain), eight arms with suckers, two longer feeding tentacles, a beak, a large head, two large eyes, and two hearts. Their large eyes are very similar in structure to people's eyes. They breathe using gills.
Diet
: Squid eat fish, crustaceans (like
shrimp
), and other squid. These fast-moving
carnivores
(meat-eaters) catch prey with their two feeding tentacles, then hold the prey with the eight arms and bite it into small pieces using a parrot-like beak. The esophagus runs through the brain, so the food must be in small pieces before swallowing.
Predators
: Many animals prey upon squid, including many
sharks
and other
fish,
some
whales
, squid, and people.
Classification
: Kingdom Animalia, Phylum Mollusca, Class
Cephalopoda
, Order Teuthoidea, Families
Loliginidae
,
Sepiolidae
, and
Architeuthidae
. Slide6
Can you name the external parts?
Fins
Eye
Head
Tentacles
Mantle
Siphon
Beak & Mouth
Clubs
Arms
First read the descriptions
Below
And complete worksheet
Then…click and check your answersSlide7
Squid Dissection
Now you can watch a squid dissection. Just follow along with the instructor and check the boxes as he proceeds through the external and internal dissection.
The tour of the external anatomy will look at the dorsal and ventral side
Put a check mark for each part as they are identified by the instructor on your worksheet
Have Fun!! Make sure your name, period, date and your teacher’s name is on the lab sheetSlide8
Exterior Dissection
Wait for the play button to appearSlide9
Interior Dissection
Wait for the play button to appearSlide10
Just about done!
Ok now you are done.
Now sit back and watch
Giant Squid (
Architeuthis
) footage, January 27, 2013
This is longest video of a Giant Squid in its natural habitat.
Giant Squid footage
Hide & Seek Cephalopod Style!
The Mimicking Octopus