Deutsch: Tier / Español: Animaliaa / Português: Animalia / Français: Animal / Italiano: Animalia


Animals are multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives.

Most animals are mobile, meaning they can move spontaneously and independently. All animals must ingest other organisms or their products for sustenance (see Heterotroph).

An animal is a living organism that is a member of the kingdom Animalia. Animals are multicellular organisms that are distinguished from plants and fungi by their ability to move, sense their environment, and respond to stimuli. Animals play important roles in many ecosystems, serving as both predators and prey and helping to maintain the balance of nature.

There are many different types of animals, including:

  • Vertebrates: Vertebrates are animals that have a backbone and include species such as mammals, birds, reptiles, amphibians, and fish.

  • Invertebrates: Invertebrates are animals that do not have a backbone and include species such as insects, worms, mollusks, and arachnids.

  • Domestic animals: Domestic animals are animals that have been domesticated by humans and are kept as pets or used for work or food. Examples of domestic animals include dogs, cats, cows, and pigs.

  • Wild animals: Wild animals are animals that live in their natural habitat and have not been domesticated by humans. Wild animals can be found in a wide range of environments, including forests, grasslands, deserts, and oceans.

In the environment industry, animals are often the focus of research and conservation efforts, as they play important roles in many ecosystems and can be sensitive indicators of environmental health. Animals are also used in a variety of ways to benefit humans, including as sources of food, medicine, and labor, and for their aesthetic value.

Here are a few examples of animals that are commonly found in the environment:

  • Birds: Birds are a type of vertebrate animal that are characterized by their ability to fly. They can be found in a wide range of environments, including forests, grasslands, and urban areas, and they play important roles in many ecosystems as pollinators, seed dispersers, and predators. Examples of birds include ducks, geese, eagles, and sparrows.

  • Fish: Fish are a type of vertebrate animal that live in water and are adapted for swimming. They can be found in a wide range of aquatic environments, including oceans, rivers, and lakes and they play important roles in many ecosystems as both predators and prey. Examples of fish include salmon, bass, and tuna.

  • Reptiles: Reptiles are a type of vertebrate animal that are characterized by their dry, scaly skin and the ability to regulate their body temperature through external means. They can be found in a wide range of environments, including forests, deserts, and wetlands, and they play important roles in many ecosystems as both predators and prey. Examples of reptiles include snakes, lizards, and turtles.

  • Insects: Insects are a type of invertebrate animal that are characterized by their segmented bodies and jointed legs. They can be found in a wide range of environments, including forests, grasslands, and urban areas, and they play important roles in many ecosystems as pollinators, decomposers, and predators. Examples of insects include ants, bees, and beetles.

  • Mammals: Mammals are a type of vertebrate animal that are characterized by their warm-blooded metabolism, hair or fur, and the ability to produce milk to feed their young. They can be found in a wide range of environments, including forests, grasslands, and deserts, and they play important roles in many ecosystems as both predators and prey. Examples of mammals include deer, wolves, and humans.

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