Tag Archives | Study Notes

Locomotion in Hydra (With Diagrams) | Marine Animals

The below mentioned article provides a study note on the Locomotion in Hydra. Introduction to Hydra: Hydra represents one of the smallest solitary polyp amongst the cnidarians; most of them inhabit fresh water bodies except Proto-hydra which is marine. Hydra normally remains attached to and hanging downwards from the substratum in water, by their basal disc. The body stalk and [...]

By Anjali S|2016-07-25T05:44:25+00:00July 25, 2016|Marine Animals|Comments Off

Excretion in Invertebrates | Zoology

In a general way excretion can be defined as the separation and ejection of the metabolic wastes from the body, usually in aqueous solution. Metabolism produces a number of byproducts. Some of these byproducts are compulsorily excreted while others are used in different metabolic pathways. The excretory materials are removed from the body with the help of specialised excretory organs. [...]

By Anjali S|2016-07-25T05:44:24+00:00July 25, 2016|Invertebrates|Comments Off