EVERYDAY SCIENCE

Detailed explanation-1: -Kingdom Animalia constitutes all animals. Amongst the five kingdoms, the largest kingdom is the animal kingdom. Animals are multicellular eukaryotes.

Detailed explanation-2: -Animal kingdom The kingdom Animalia is the most evolved and is divided into two large groups-vertebrates and invertebrates. These animals are multi-celled, heterotrophic eukaryotes with aerobic respiration, sexual reproduction and the ability to move.

Detailed explanation-3: -Note: The animals are important not only because of their economic and nutritional importance but they are also necessary for the sustainability of the ecosystem. The diversity of animals is necessary to maintain the food chains and to stabilize the balance in nature.

Detailed explanation-4: -Kingdom Animalia is a taxonomic kingdom of living and extinct animals. Members of this kingdom are characterized by being eukaryotic, multicellular, heterotrophic, lacking a cell wall, and mostly are motile.

Detailed explanation-5: -Annelida (worms, leeches) Arthropoda (insects, spiders, crustaceans) Chordata (mammals, fish, reptiles, birds) Cnidaria (jellyfish, anemone, corals) Mollusca (octopuses, squid, cuttlefish) Platyhelminthes (flatworms, tapeworms, flukes) Porifera (freshwater sponges, sea sponges)