Animals

An animal is a living being that can move on its own, have feelings and people often trust them a lot. Animals ingest their food, develop sexual reproduction and absorb oxygen through respiration. These are its basic characteristics. There are different types of animals such as: Dogs, horses, cows, white tigers, elephants, bears, zebras, pandas, lions, jaguars, etc. That they are land animals.

Dogs

Horses

Cows

White tigers

Elephants

Bears

Zebras

Pandas

Lions

Jaguars

Aquatic animals are those that live in water throughout their lives, whether in fresh or salt water. A distinction must be made between animals that can take advantage of oxygen dissolved in water and those that need to breathe oxygen from the air. Dolphin, seahorse, whale, seal, clownfish, sword shark, goblin shark, white shark, tiger shark, hammerhead shark and reef shark, crocodile, common killer whale, sea turtle, etc. 

Dolphin

Seahorse

Whale

Seal

Clownfish

Sword Shark

Goblin Shark

White Shark

Tiger Shark

Hammerhead Shark

Reef Shark

Cocodrile

Common Killer Whale

Sea Turtle

Terrestrial animals are animals that live predominantly or totally on land, unlike aquatic animals, which live predominantly or completely in water or amphibians, which depend on the combination of terrestrial and aquatic habitats. The terrestrial term is usually applied to species that live primarily in the soil, unlike the arboreal species, which live mainly in trees. There are other less common terms that apply to specific groups of terrestrial animals:

The saxícolas are animals that live on the rocks, the word saxícola derives from the Latin Saxum that means rock, the sandwiches live in the sand, troglobites live predominantly in caves. The terrestrial invasion is one of the most important events in the history of life, terrestrial lineages of various animal phyla have been developed, and among them, vertebrates, arthropods and molluscs represent the most successful groups of terrestrial animals.

The aquatic animals that breathe through gills make the exchange of gases with water. The amount of oxygen contained in water is less than that of air, so these animals adapted to these conditions need very efficient systems capable of extracting oxygen from water. Among vertebrates there are also many aquatic animals, distinguishing the species that live completely in the water by breathing gills like fish and all the larval forms of amphibians, although the latter, in their adult stages.