Classes and General characteristics of Vertebrates
Class : Agnatha Endoskeleton is cartilaginous , The body is thin , long and eel-like , with no paired fins , The mouth is circular , funnel-shaped contains a rough tongue that provided with...
Tagged: Kingdom Animalia
General characteristics of kingdom Animalia (Phylum: Arthropoda, Mollusca, Echinodermata, Chordata)
Phylum : Arthropoda The body is bilaterally symmetrical , It is divided into a number of segments carry many pairs of appendages that are divided into several jointed pieces , It is divided into...
General characteristics of kingdom Animalia (Phylum: sponges, Cnidaria, Platyhelminthes, Nematoda, Annelids)
Kingdom Animalia All of kingdom Animalia are multicellular , The nucleus is eukaryotic , They have the ability of moving from a place to another , They have the ability to respond rapidly to...
Principles of living organisms classification and Taxonomic hierarchy
The cell is the building and functional unit of the living organism , Living organisms may be unicellular or multicellular , Although the similarity of all living organisms in their building and functional unit...