Mammary glands, which produce milk for nourishing (nursing) their young in females, a neocortex (a portion of the brain), fur or hair, and three middle ear bones characterize mammals (from Latin mamma, ‘breast’). Image Source: Maria Victoria Gonzaga of Biology Online. Figure 1: Different types of vertebrates. Examples of vertebrates are seen in Figure 1 below. In addition, they have an internal skeletal system ( endoskeleton) to which muscles are joined. They are members of the Chordata phylum and have a backbone ( vertebrae) (where the spinal cord is located). Vertebrates are all creatures that belong to the Vertebrata subphylum. Kingdom Animalia or just Animalia is a huge kingdom consisting of eukaryotic, multicellular animals that are heterotrophic in nature. However, do people know that animals are not merely a group but a kingdom? What does Animalia kingdom mean? What defines kingdom Animalia? To define the kingdom Animalia, one must think of it in a biological sense. Kingdom Animalia: Phylum AschelminthesĮach person can say that they know of or can name at least one animal. Different Phyla under the Kingdom Animalia.Pseudocoelomates (animals that have a false coelom).
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