Table of Contents
Which of the following is the site of digestion in the Metridium?
Digestion occurs in the coelenteron which is typically equipped with ciliated canals for distribution of partly digested food.
How do you identify Metridium?
They are characterized by their numerous threadlike tentacles extending from atop a smooth cylindrical column, and can vary from a few centimeters in height up to one meter or more. In larger specimens, the oral disk becomes densely curved and frilly.
What is the body type of Metridium?
Metridium has a short, cylindrical body about 8 cm in length. The body is radially symmetrical and divisible into three distinct regions, viz., oral disc, column and pedal or basal disc.
What is Metridium in biology?
Metridium senile, or frilled anemone, is a species of sea anemone in the family Metridiidae. As a member of the genus Metridium, it is a type of plumose anemone and is found in the seas off north-western Europe and both the east and west coasts of North America. Metridium senile.
How does Metridium reproduce?
They often reproduce asexually by pedal laceration, and are said to be capable of binary fission as well. Sexual reproduction also occurs. This species will fire its acontia when placed in contact with Anthopleura elegantissima, the green aggregating anemone.
What is the family of Metridium?
MetridiidaeMetridium / Family
What is the scientific name of Metridium?
MetridiumMetridium / Scientific name
Is Metridium a medusa or polyp?
Metridium Anemones have been observed reproducing by “cloning”, where the animal actually splits in two to form two identical Polyps. Individual animals can live to be several centuries old, and have lived nearly 100 years in aquariums before dying due to equipment malfunction ( not old age ).
How does the Metridium digest food?
Feeding and Digestion of Metridium: Food consists of animals or pieces of animals of suitable size, the food may be living or dead; it is carnivorous Food is stunned by nematocysts of tentacles, then the tentacles push the food into the mouth, cilia of the mouth sweep the food into the stomodaeum and coelenteron.
How can the internal anatomy of Metridium be studied?
The internal anatomy of Metridium can be studied with the help of its longitudinal and transverse sections (Fig. 34.2 and 34.3 respectively) in the following headings:
How does the digestive system work?
The diagram of the digestive system that is provided in the article will give one a better understanding of this organ system, as the food moves down from the mouth, through the esophagus to the stomach, small intestine and the large intestine, before it is excreted through the rectum and the anus.
What organs make up the GI tract?
The organs that make up the GI tract are the mouth, throat, esophagus, stomach, small intestine, large intestine, rectum, and anus. The GI tract is one part of the digestive system. 2