Animals

Mammals Birds
Reptiles Fish and Amphibians
Invertebrates

Invertebrates

Even through some organisms, such as sponges, jellyfish and sea anemones, look like vegetables they belong to the animal kingdom. Many of these simple Invertebrates are unable to move from one place to another. Some even lack certain tissues or an entire respiratory or digestive system. Other, more developed especially species such as squid and octopus can move about and have become skilled marine predators. Cephalopods are the most highly evolved molluscs. Their heads have highly developed eyes, a mouth with two hornlike jaws, and tentacles with suckers to trap their prey. Some cephalopods live in deep sea waters, whereas others stay close to shore. Characteristics of Invertebrates Many of the numerous invertebrates on the earth live in the ocean. …

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Invertebrates

Fish and Amphibians

Fishes: Fish were the first vertebrates with bony skeleton to appear on the earth. They doubtless from the most numerous group of vertebrates. Unlike today’s fish, the earliest fish had no scales, filns aur jawbone, but they did have a type of dorsal fin. Over time they have been changing in form and size to adopt to different environments in both freshwater and saltwater. Their bodies are generally streamlined, being covered with smooth scales and have fins that enable them to move with energy, direction and stability. In place of lungs, these complex creature normally breathe through gills that capture oxygen dissolved in the water and they are cold blooded. Amphibians The word amphibians made of amphi and bios. Amphi …

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Fishes

Reptiles

Colour plays a very important role in the life of iguanas and lizards. It helps to differentiate males and females, and when it is time to attract a male, the members of the iguana family communicate by showing bright colours and folds of skin. Another particularly that distinguishes iguanas is there covering of epidermal scales. In addition like all the tiles day or not capable of generating internal heat, so they depend on external factor to maintain their body temperature. Skin with scales Reptiles are vertebrate, meaning that they or animal with a spinal column. There skin is hard, dry and flaky. Like birds, most reptile 7 born from eggs deposit on land. The offspring hatch fully formed without passing …

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Reptiles

Birds

Many scientists maintain that birds descended from dinosaurs because fossils of dinosaur specimens with feathers have been found. As a group, birds have exceptional eyesight – they have the largest eyes in relation to the size of their bodies. In addition, they have very light bones, which are suitable for flight. Just like their bills, birds’ fleet have also changed in accordance with the functions and particular needs of each species. For instance walking birds like other vertebrate groups – display a mark the tendency toward having a reduced number of toes, ostriches. Some birds of prey, such as eagles, have fleet that are veritable hooks. Skeleton and Masculature Both light weight and resistant, the skeleton of birds underwent important …

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Birds

Mammals

All mammals have stereoscopic vision, which gives them depth perception. Moreover, in the case of hunters such as tigers, their night vision is six times keener than that of humans. There are many species that have a very keen sense of smell, and the sense of taste is closely linked to that of smell. Hair, too, performs various functions in these animals’ lives – conserving body heat, providing protection and serving as camouflage. Mammals Mammals share a series of characteristics that distinguish their class: a body covered by hair, the birth of live young and the feeding of newborns on milk produced by the females mammary glands. All breathe through lungs and all processes a closed circulatory system and the …

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Mammals Qualities

Amazing Animals

From the frozen poles to the sunless depths of ocean, from highest mountains to arid deserts, every region of our planet has been colonized by animals. Animals live in interactive partnerships with other species and with their physical environments. 🐂🐃🐅🐆🐇🐋🐌🐏🐐🐕🐖🐘🐙🐨🐩🐪🐫🐭🐮🐯🐳🐴🐶🐷🦌🦖🦓 Without animals, human could not survive. Amazing Animals Modern science is showing us how all living things are interconnected in complex ecosystem. By learning more about animals, we will be better able to conserve the natural world and to protect the earth’s wildlife for future generation. The family of Animals looks at five groups of animals: Mammals Birds Reptiles Fish and Amphibians Invertebrates 1. Mammals Mammals are the smallest group, but the mammals include the largest animal, the blue whale. …

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Birds