What did early scientists think that sponges where?
What is plants?
100
Sponges are (unicellar or multicellular) and (prokaryotic or eukaryotic)?
What is multicellar and eukaryotic?
100
What type of symmetry do cnidarians have?
What is radial symmetry?
100
These organisms of Class Hydrozoa only appear as polyps, live in freshwater, and move by tumbling.
What is a hydra?
100
These organisms of cnidarians are members of Class Anthozoa, have a calcium carbonate skeleton, and share a symbiotic relationship with algae.
What is coral?
200
What kind of symmetry do sponges have?
What is asymmetrical?
200
What is the process of sponges drawing in food and retrieve small organisms out of the water?
What is filter feeding?
200
What is the inner tissue layer that lines the gastrovascular cavity?
What is gastrodermis?
200
These organisms of Class Cubozoa have a cubed-shaped medusa and can inflict serve pain with their tentacles.
What is a box jelly?
200
This is a web in interconnected cells that control all the nervous responsed in cnidarians.
What is a nerve net?
300
Sponges belong to Kingdom _____________?
What is Animalia?
300
Tiny sponges that grow from the main part of the sponge are called?
What is a bud?
300
These are specialized cells used for defense and capturing prey in cnidarians.
What is a cnidocyte?
300
These organisms share a symbiotic relationship with clownfish and are members of Class Anthozoa.
What is a sea anemone?
300
These are cells that transport nutrients throughout the body of the sponge.
What is an ameobocyte?
400
Sponges belong to what phylum?
What is Porifera?
400
These are internal buds that are produced in cold weather; food-filled ameobocytes.
What is a gemmule?
400
The two body plans of cnidarians are called _____________.
What is polyp and medusa?
400
These organisms live in saltwater, grow in colonies as polyps and mature into medusa. They are also members of Class Hydrozoa.
What is a portuguese - of - war?
400
These are types of cells with long filaments, that are used to inject poison or stab organisms that brush up against the tentacles of cnidarians.
What is a nematocyst?
500
What does it mean to be sessile?
What is the attachment to a surface and not moving?
500
These are organisms that produce both egg and spem.
What is a hermaphrodite?
500
What is the jellylike substance that separates the epidermis and gastrodermis?
What is mesoglea?
500
This class of cnidarians contains the jellyfish and are nicknamed the "cup animals". They also live in the medusa stage for the majority of their lives.
What is Class Scyphozoa?
500
These are flagellated cells that beat, drawing in food and water into the sponge?