PYLUM COELENTERATA

o Multiselulero Having a body cavity as a means of digestiono Have stinging cells (cnidoblas/ nematokis)o Radial symmetric o Polyp form (cylinder) and medusa (umbrella)o Diploblastic o Sexual and Asexual reproduction.o extracellular and intracellular digestion.

o Coelenterata eat zooplankton, organic particles and small animals.

o Digestion of food by the digestive cavity (gastrovascular) located at the center of the body and helped by enzymes.

Coelenterata has 2 shape bodies : Coelenterata has 2 shape bodies :

polip shape, is a body that

attached in the sea bottom.

polip shape, is a body that

attached in the sea bottom.

Medusa shape, is a body shape that can swim freelly in

water.

Medusa shape, is a body shape that can swim freelly in

water.

ASEXUALLY AND SEXUALLY REPRODUCTON

Classification of

Coelenterate

The classification of Coelenterate:

Hydrozoa class (Hydroid) :Turbularia, Plumularia, Gonionemus and Physalia

Scyphozoa class (Jellyfish) :Halicystus, Periphylla, Aurelia

Anthozoa class (sea anemone) :Gorgonia, Pennatula, Edwardsia, Epiactis, Astrangia, and Cerianthus

Hydrozoa class (Hydroid) :Turbularia, Plumularia, Gonionemus and Physalia

Scyphozoa class (Jellyfish) :Halicystus, Periphylla, Aurelia

Anthozoa class (sea anemone) :Gorgonia, Pennatula, Edwardsia, Epiactis, Astrangia, and Cerianthus

HYDROZOA

• It is a small animal that lives in the form of solitary polyps.

• Body cylindrical with a length of 10-30 mm,• It is elastic.• Type of reproduction of animals is called is by

vegetative and generative.• The example are the Hydra, Obelist, Physalia

• It is a small animal that lives in the form of solitary polyps.

• Body cylindrical with a length of 10-30 mm,• It is elastic.• Type of reproduction of animals is called is by

vegetative and generative.• The example are the Hydra, Obelist, Physalia

HydraSolitary life in fresh water.

The food are small animal such as wiggler (jentik nyamuk). The asexual

reproduction by make a bud, even though sexual

reproduction by make sperm and ovum.

HydraSolitary life in fresh water.

The food are small animal such as wiggler (jentik nyamuk). The asexual

reproduction by make a bud, even though sexual

reproduction by make sperm and ovum.

Obelist

Live in the colony on polyp shape in the water.

Obelist

Live in the colony on polyp shape in the water.

Metagene Life cycle of Obelist

There are two kind of polyp’s colony, is vegetative polyp (hydrant), which function to look for food and

reproductive polyps (gonangium) that serves to form a medusa.

SCYPOZOA

• Most live in the shape of medusa. Polyps shape only at the level of the larvae.

• Examples: Aurelia aurita (jellyfish ear), the dominant shape is a medusa, which is like an inverted bowl. His body was transparent, at the bottom there is a mouth surrounded by tentacles equipped nematokist able to release toxins that are very itchy.

• Most live in the shape of medusa. Polyps shape only at the level of the larvae.

• Examples: Aurelia aurita (jellyfish ear), the dominant shape is a medusa, which is like an inverted bowl. His body was transparent, at the bottom there is a mouth surrounded by tentacles equipped nematokist able to release toxins that are very itchy.

Metagen of Scyphozoa (Aurelia)

ANTHOZOA

• Derived from the word anthos = flower.

• Life in the sea forms a polyp, have no medusa stage.Polyps reproduce asexually by budding, fission and fragmentation.

• Sexual reproduction by fertilization produce zygote then becomes planula.

• Class Anthozoa includes: – Rose-Sea (Sea anemone)– Coral

• Derived from the word anthos = flower.

• Life in the sea forms a polyp, have no medusa stage.Polyps reproduce asexually by budding, fission and fragmentation.

• Sexual reproduction by fertilization produce zygote then becomes planula.

• Class Anthozoa includes: – Rose-Sea (Sea anemone)– Coral

The Role of Coelenterata• giving the color marine park so it looks beautiful

• as a barrier beach against the waves

• as ingredients of medicines

• As a source of food and cosmetic ingredients, such as a jellyfish (Aurelia aurita)

• As a decoration on the aquarium, such as sea anemones (Metridium sp.) and bracelet (Euplexaura antipathes)

• As a marine tourism and fish breeding as well as prevent the occurrence of erosion on the beach with the coral reefs of the Class Anthozoa

• giving the color marine park so it looks beautiful

• as a barrier beach against the waves

• as ingredients of medicines

• As a source of food and cosmetic ingredients, such as a jellyfish (Aurelia aurita)

• As a decoration on the aquarium, such as sea anemones (Metridium sp.) and bracelet (Euplexaura antipathes)

• As a marine tourism and fish breeding as well as prevent the occurrence of erosion on the beach with the coral reefs of the Class Anthozoa

..Thanks..