1. Urban areas have a bigger population density compared to suburban areas. 2. Urban areas usually include the inner, or main city, whereas suburban areas are those that are just adjacent to the city, or surround the city. 3. Urban areas are more congested in terms of people and establishments compared to suburban territories.
Noun. 1. Parazoa-multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera. subkingdom Parazoa. animal kingdom, Animalia, kingdom Animalia-taxonomic kingdom comprising all living or extinct animals.phylum Porifera, Porifera-coextensive with the subkingdom Parazoa: sponges.oun. 1. Parazoa-multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera. subkingdom Parazoa. animal kingdom, Animalia, kingdom Animalia-taxonomic kingdom comprising all living or extinct animals.
Protozoa is one of the main groups of the Kingdom: Protista, which consists of unicellular eukaryotic organisms of a diverse array. Protozoans include organisms related to both animals and plants. Therefore, they have been termed as either phylum or division.ajority of protozoans are motile; ciliates, flagellates, and amoeboids move using their cilia, flagella, or pseudopodia respectively. A significant portion of the protozoans being heterotrophic, they move energy into their consumers from bacteria and algal production.