Answer:
The list of characteristics describe organisms in the Animal Kingdom.
Step-by-step explanation:
Characteristics of organisms belonging to animal kingdom are:
- They are multi-cellular eukaryotes with heterotrophic nutrition.
- The animal cells lack cell wall and large vacuoles which characterize plants among eukaryotes.
- Among the animal kingdom 95% organisms do not posses back bone and are termed as invertebrates.
- Rest of them have a back bone and are called vertebrates.
Animals classified into-
The invertebrate phyla as:
- Phylum Porifera e.g. Sponge
- Phylum Cnidaria e.g. jelly fish
- Phylum Platyhelminthes e.g. tape worm
- Phylum Aschehelminthes e.g Pin worm
- Phylum Annelida e.g. earthworm
- Phylum mollusca; e.g. Snail.
- Phylum Arthropoda e.g. insects
- Phylum Echinodermata e.g. Starfish
A transition between Invertebrates and vertebrates include half chordates grouped as
- Phylum Hemichordata. e.g. Tongue worm
The Vertebrates are grouped as ;
- Phylum Chordata which include : Class Pisces (fishes); Class Amphibia Amphibians); Class Reptilia(reptiles) ; Class Aves (birds) ; Class Mammalia(mammals).