Marine Science

Marine Science
Sensory Organs
FishSquid
LocomotionDepend broadly speaking on fin action for propulsion. Use fins and body groundsTwo larger fins serving for locomotion and changing direction. in like manner uses propulsion through the pissing.
ReproductionLays eggs. External fertilization. Eggs atomic number 18 fertilized by the males sperm or (milt). antheral produces spermatophores that are placed inside the mantle of the female during mating.
Skelton unruffled of cartilage and bone. Foundation for the body and fins protects the organs and is an attachment for muscles. Does non have a true skeleton. Just a clear, fictile like pen that supports the entire body.
Respiration systemGills. Swallows water and absorbs the oxygen.Squid have 2 gills inside their mantle which burgeon forth oxygen from the water. The blood is distributed by 3 hearts.
Digestive systemJaws equal length with a band of teeth. Omnivorous. Feed on algae, crustaceans and occasionally plankton.Passed through the beak to the stomach. Then to the caecum for digestion followed by the liver. Leftovers are passed out the rectum.
DefenseStrong, fast swimmer. Camouflage. Squids use ink to defend themselves. Ink makes the enemy blind to see the squid. Squids too cause their body to change colors and patterns to blend in with the background.




Special adaptionBody shape
Tail shape
Color or patterns
give tongue to and teethChange color
Create light
Shoot ink







My Observations:
During class we cleft the fish (mullet) and squid.
We were given a scalpel, scissors and tweezers. We had to open up the sea creature, sketch diagrams of the internal and external views and describe the move we were taking.
The two animals we dissected had extremely different structures. The fish, using its one-quarter to propel through the water while the squid employ water jets and its clubs. Both had different ways to eat the food for thought they caught and a different way of digesting their food.
Although both animals...If you want to push back a full essay, order it on our website: Ordercustompaper.com



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