In this article we will discuss about the General Characters and Classification of Phylum Echinodermata. General Characteristics of Phylum Echinodermata: Some of the general characters of Phylum Echinodermata are listed below: 1. Habitat: All existing echinoderms are marine. They generally live at sea bottom borne are pelagic (free swimming in open water) and a few are sessile (attached to the [...]
In this article we will discuss about the general characters and classification of Phylum Mollusca. General Characteristics of Phylum Mollusca: 1. Habitat: They are mostly marine. Many, however, occur in fresh water and some even in damp soil. 2. Body Form: The body of molluscs is un-segmented with a distinct head, muscular foot and visceral hump. Neopilina is a segmented [...]
The upcoming discussion will update you about the differences between Frog and Toad. Difference # Frog: 1. Frog mostly lives in water but comes to land for feeding. 2. Frog is diurnal. 3. Frog lays egg in a mass. 4. Head is triangular. 5. Body is Oliver-brown with dark spots. 6. Skin is moist and smooth. It has numerous mucous [...]