The upcoming discussion will update you about the differences between Chordates and Non-Chordates. Difference # Chordates: 1. A notochord is present at some stage in the life of a chordate. 2. Central nervous system is dorsal and hollow. 3. Gill slits are present in the pharynx either in the embryo or adult. 4. Tail is present at some stage in [...]
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 [...]