Phylum
True jellies fall into the phylum..
Cnidarian
True jellies are the favorite food source of what animal..
Sea turtles
What are the stinging cells that true jellies have?
Cnidocyte or Nematocyst
There are about __ species of true jellies
200
Benthos organisms spend their time in which habitat
The benthic zone, ie the seafloor
True jellies have how many nerve nets?
2
Are all true jellies ALWAYS cindarians?
Yes, all true jellies are cnidarians but not all cnidarians are true jellies
Medusa refers to what stage of a jellies life
Adult free swimming life
What is the spatial relationship between the basal disc and the pedal disc.
They are opposite of each other.
True jellies are of the class...
Scyphozoa
How old can the oldest jellyfish get?
Functionally, the immortal jellyfish can reverse it's age forever, never dying of old age.
Describe the difference between the gastrovascular cavity and the gastrodermis
The gastrodermis lines the gastrovascular cavity. The gastrovascular cavity is a central digestive compartment.
Cnidarians are broken up into which 4 classes?
Anthozoa ( corals ) Cubozoa ( box jellies ) Hydrozoa ( hydroids ) and Scyphozoa ( true jellies ).
Changes in temperature, food availability, and light exposure are all capable of triggering what in true jellies?
Strobilation, the process of polyps becoming their "pancake stacks" and producing new jellies.
Describe characteristics of the mesoglea and how it helps the organisms.
Non cellular layer, provides structural support, buoyancy, and flexibility.