What is the role of fins
helps change directions
in order to be part of Phylum Cnidaria what do you need to have
stinging cells
what is symbiosis
any type of long term relationship between 2 organisms of different species
What kingdom do algae belong to
Kingdom Protista
What does Arthro mean
Jointed (they can bend at their joints)
what is the color changing cells
Chromatophores
what are the 2 body plans for Cnidarians
Medusa which is free swimming form and reproduction requires females to release egg cells and males to fertilize it
Polyp stage where they are sessile and reproduce by budding
what is mutualism
a relationship when 2 living organisms benefit from each other
is algae producers or consumers
producers they make their own energy by the process of photosynthesis
what does POD mean
foot/ appendage ( main structure that stick out from the body)
what is the tube that expels water for propulsion
the siphon
what is the jelly filling called
Mesoglea
when one organism is unaffected and one gains what is it called
commensalism
what is the blade
Leaf like structures that capture light for photosynthesis
what do jointed appendages help
eating mating breathing walking swimming and defense
how do you know if a squid is a male or female
if the gonad is white then its a male but if its clear yellow or orange then its a female
what are the 3 classes of Cnidarians called
Anthozoa,hydrozoa, and Scyphozoa
What is the type of symbiosis where one organism gets irritated and the other gets benefited
Parasitism
the stem of the algae is called
the stipe
What are the two classes of arthropods called
chelicerates and crustaceans
what is the difference between arms and tentacles
arms are shorter, there are 8 arms and suction cups all over the arms tentacles are longer with 2 tentacles and suction cups only at the end
when jellies travel in groups what is it called
shoals
what is an example of symbiotic relationships in the ocean
mutualism cobbles and pistol shrimp pistol shrimp have bad eyesight so pistol shrimp relies on the gobbles and cobbles have chemical cues to tell the shrimp not to exit the Burrows the cobbles benefit a safe home
what is the anchor of the algae that helps attach to surfaces
hold fast
What is the hard protective covering made out of a strong protein called chitin
the exoskeleton