Pets animals
Information you do not know about marine animals
They are animals that live in marine environments, which are divided into two types: vertebrates and invertebrates, vertebrates, are animals that have a backbone, and invertebrates are animals that lack a backbone.
Vertebrate marine animals
Vertebrate marine animals are divided into 4 groups, they are invertebrates, jaws, bony fish, and tetrapods, and we will get to know each type separately.
Phyla
- Invertebrates are jawless fish that include 105 species of fish, including lampreys and hagfish.
- They are primitive fish, their types range from 40 to 50 species.
Mouth jaws
- They are marine animals that have jaws, an example of which is the great white shark.
- Its main food is marine creatures such as turtles and whales.
Bony fish
- It contains more than 30 thousand species of fish.
- And the skeletons of these fish contain high levels of calcium, so they are characterized by strength and hardness, including sharks, and cracked finfish.
Tetrapods
- The ancestors of four-legged animals have lived on Earth for hundreds of years, but they were originally descendants of aquatic animals.
- And species of tetrapods seabirds, marine reptiles, and mammals.
Sea birds
- They are birds that have adapted from the aquatic environment. Seabirds have adapted to swim through their water-resistant feathers.
- They also have saline glands, membranous feet, and curved beaks, such as the penguin.
Marine reptiles
- They are marine animals that are unable to regulate their internal temperature.
- Marine reptiles are limited to 7 species of sea turtles, hundreds of sea snakes, and a few species of crocodiles.
Invertebrate marine animals
- They are creatures without a backbone, which crawled into the oceans millions of years before the appearance of vertebrates.
- They are divided into major divisions: annelids, flatworms, crustaceans, echinoderms, mollusks, and sponges.
Information you do not know about pets
Pets are the animals that humans can keep and take care of. Some believe that the first animal domesticated by humans is the dog. People may raise some for entertainment and others for guarding. Pets are also divided into where they are raised:
Domestic pets
- They are pets that humans take care of inside homes, such as cats, and dogs, and there are some types of birds as well, such as parrots, canaries, and others.
Pets live in cages
- They are animals that are kept indoors or outside but in cages.
- It is raised under specific conditions to protect the pet, such as rabbits, and hamsters.
Pets live in the stable
- They are the animals that humans take care of in stables or barns outside the home because of their need for large spaces for their movement and their large size.
- Examples of these animals are horses, donkeys, and mules.
Pets live in glass pens
- They are animals that need certain conditions in the surrounding climate, such as the presence of moisture and heat.
- Examples of these animals are turtles, frogs, lizards, toads, and also snakes.
Benefits of owning a pet
Many benefits accrue to a person from owning a pet, as it affects him greatly, both psychologically and practically. Let us learn about these benefits:
- Keeping pets helps lower blood pressure, reduce the level of cortisone in the blood, to relieve animal husbandry from stress and permanent stress.
- Improves mood, and reduces loneliness.
- When watching aquarium fish, this may reduce the feeling of stress and pressure, as well as the presence of dogs.
- It increases social skills and limits unwanted behavior of children, such as children with ADHD.
- And some other studies have indicated that children with autism playing with animals may reduce their anxiety.
- Increases the sense of responsibility.
