P-Squiddy
Cephalopod
The sunlit zone and the twilight zone together help make up what zone?
The photic zone
Phytoplankton need to remain in the sunlit one to photosynthesize. What adaptations do they have to accomplish this? (name 1)
Bubbles of oils or fats to stay floating; spines; colonial chains; flagella to help weakly swim
Some organisms are attached to the bottom of some substrate and stay in one spot. What is this term?
sessile
Define gastro
stomach
What external anatomical feature protects an octopus or squids internal organs?
The mantle
In which layer of the ocean does gas exchange typically occur?
The surface layer
Countershading
An organism that attaches to the bottom of boat hulls or piers is considered to be a ________ _________
fouling organism
Define cephalopod
Head foot
2 hinged shelled organisms are classified into which family?
Bivalva
In which zone does 90% of all marine life live?
The Epipelagic zone
Typically, the deeper you go, the bigger the ____ and ______.
Eyes and Teeth
Dorsal means ____ and ventral means ______
Top, bottom
define bi-
Two
What is the small ribbon of teeth that is used to feed in molluscs called?
The radula
Which wavelength is the first color to dissipate in open water?
Red light
Attract a mate, warn/confuse predators, communicate with other squid, camouflage
What term refers to the entirety of water above sea bottom?
pelagic
What does bioluminescence mean?
bio- life
lumin- light
A student dissects a squid and finds a nidmental gland covering most of the internal organs. Would that squid be a male or female?
female
Organisms with the following adaptations would most likely to be found in which zone?
- slow metabolism
- bioluminescence
- large teeth
- long lived
Abyssopelagic
Most deep sea organisms are liquid filled rather than gas filled. What does this help them deal with?
Intense pressure
What is a stinging cell called?
Nematocyst
Define chroma-
color