WebbThe external skeletal system of a snail is made up of a hard, non-bony shell and is called the Exoskeleton. The exoskeleton helps to protect the snail from predators and extreme … WebbInside a tortoise. Tortoises and turtles are the only reptiles with tough, bony shells. The shell is like a suit of armour that protects the body. It has an outer layer of horny shields, called scutes, and an inner layer of bony …

What is the structure of the skeleton system of a snail?

WebbA snail is a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class … WebbThe outer skeleton called a shell is not made up of bones and does not help in movement. It has to be dragged along. In the case of the earthworm, it has muscles which help to extend and shorten the body. They do not have bones. Dogs and human beings have both muscles and skeleton which help them for movement. Suggest Corrections 6 Video … #include fstream using namespace std

NCERT Solution Class 6 Science Chapter – 8 Body Movements

WebbA sac of tissue called the “mantle” surrounds the animal’s internal organs and is responsible for secreting the outer shell by absorbing calcium carbonate from the surrounding seawater. Shell-producing mollusks are divided into two main groups: Bivalves, which are clam-like animals with two shells, and Gastropods, which are snail-like … Webb8 juni 2024 · It consists of the following parts: i. Skull: Skull is the bony part of head which is made of 22 bony plates joined together. ii. Backbone: Backbone is a long hollow, rod … WebbSnails living on the land are uricotelic,this means that to preserve water they excrete almost solid uric acid. Snails living in the water excrete ammonia, and are not uricotelic. … #include stdio.h printf %d sizeof a