Symmetry
A body form in which any cut through the organism's center results in identical halves
What is spherical symmetry?
A relationship between 2 or more organisms of different species where both benefit from the association
What is mutualism?
Elastic protein fibers in sponges
What are spongin?
Which is there more species of on Earth: vertebrates or invertebrates?
What are inverterbrates?
The class that represents the largest group of cnidarians
What is Class Anthozoa?
A body form in which any longitudinal cut through the organism's central axis results in identical halves
What is radial symmetry?
A relationship between 2 or more organisms of different species where one benefits and the other is neither harmed nor benefited
What is commensalism?
Structures made of calcium carbonate or silica that offer sponges support
What are spicules?
The phylum name that represents all vertebrates
What is Chordata?
The three classes of cnidarians
What are Class Hydrozoa, Class Scyphozoa, and Class Anthozoa?
A body form in which only one longitudinal cut through the organism's center results in identical halves
What is bilateral symmetry?
A relationship between 2 or more organisms of different species where on benefits and the other is harmed
What is parasitism?
the method sponges use for eating
What is filter feeding?
What is 98%?
Members of this class spend most, if not all, of their life cycle as a large, medusa form
What is Class Scyphozoa?
An example of a marine organism that exhibits radial symmetry
What are hydrozoans, corals, jellyfish, anemones, and comb jellies?
The type of symbiosis represented when coral polyps get their food from the algae in exchange for providing housing and protection to the algae
What is mutualism?
Larger openings where water exits
Water always enters sponges _______ and leaves _______.
What are laterally and apically?
Represents the largest group of cnidarians
What is the Class Anthozoa?
An example of a marine organism that exhibits bilateral symmetry
What are flatworms, turbellarians, flukes, tapeworms, and other worms in this module?
The whale reaps no rewards from barnacles attaching to its body, but it also does not suffer any ill effects while the barnacle reaps great rewards by attaching itself to a whale because of its filter-feeding nature
What is commensalism?
These cells have flagellum that beat to draw water currents into the sponge, particles are strained through the collar, and then the particles are absorbed by phagocytosis
What are colar cells?
The 3 basic sponge body types
What are syconoid, leuconoid, and aconoid?
The most diverse and abundant class of marine annelids
What is Class Polychaeta?