Squid A & P
What is the difference between anatomy and physiology?
Anatomy- the different parts of the organisms
Physiology- The functions of the different parts
What is a nematocyst?
A stinging cell
What kingdom do algae belong to?
Kingdom Protista
Name 4 characteristics of an Arthropod
jointed appendages, exoskeleton, bilateral symmetry, and a segmented body
What is symbiosis?
Symbiosis is any type of long term/close relationships between 2 organisms of different species
What is the siphon?
It is the tube inside the squid that squirts out water for propulsion
What is the difference between the Medusa and polyp forms?
Medusa- free swimming
Polyp- stuck in place/sessile
How do algae eat?
Through photosynthesis
What are 2 classes?
Chelicerata, and crustaceans
What is mutualism?
It is when both organisms benefit
What is the gonad, and what colors can it be?
It is the reproductive organ. Males- white. Females- clear, yellow, and orange, brownish
What is zooxanthellae and what does it do?
It is algae that gives O2 and nutrients for coral
What is a blade of algae?
A leaf-like structure that captures light for photosynthesis
What do Chelicerata have?
They have a mouth for tearing and grinding and they lack an antenna and a jaw (mandible)
What is commensalism?
When one benefits and one is unharmed
What are the chromatophors and what do they do?
They are color changing cells that help the squid camouflage.
What are the 3 classes?
Anthozoa, Hydrozoa, and Scyphozoans
What the stripe of an algae?
The stem of the algae
What do crustaceans have?
A crust/shell, antenna, mandible, swimmerets, compound/complex eyes, and gills
What is parasitism?
When one benefits and one is harmed
What is the difference between arms and tentacles?
Arms- 8, covered in suction cups, used to hold items.
Tentacle- suction cups only at the tips, they help pass food to the mouth
What do coral build to protect themselves?
calcium shells
What is the holdfast?
The anchor of the algae that helps attach to surfaces
What does Arthro and Pod mean?
Jointed appendages- a huge advantage
What type of symbiosis is a cat and a tick?
It is a parasitic relationship