We all see the animals around us. Cows, dogs, cats and goats are some examples of domestic animals. Lions, tigers, elephants and lions are some examples of wildlife.
Animal cells are different from plant cells. These animals belong to the kingdom Animalia. But, are lizards animals? Is a crocodile an animal? Is a fish an animal? Let’s look at what animals are in biology and the interesting facts about them.
What is an Animal?
Animals are simply defined as multicellular, eukaryotic, aerobic organisms that eat plants and other animals as a source of food. All these animals reproduce sexually and live freely in their habitat. Overall, there are about two billion species grouped into the animal kingdom, which is the largest and most diverse group of the five taxonomic kingdoms. Animals are grouped into animal kingdoms based on their similarities, their characteristics, and genetic analysis.
Studying with photos of different species, taxonomists grouped all animals in Kingdom Animalia, which is further divided into divisions and divisions Based on body structure and the presence of spines, animals are separated vertebrates and invertebrates.
Invertebrates include long worms (eg tapeworms), annelids (eg crabs), echinoderms (eg starfish), coeloms (eg jellyfish), molluscs (eg snails), arachnids (eg spiders), crustaceans (eg: crabs). ) ze. , insects (eg: ants) and millipedes (eg: centipedes). Vertebrates include reptiles (eg lizards), birds (eg crows), fish (eg tuna), amphibians (eg frogs) and mammals (eg cattle).
Animal kingdoms or kingdoms There are different species of animals found in Animalia, classified according to cell type, anatomy, reproductive system, nutritional system, their movement and habitats but not according to their size.
Interesting Facts About the Animals
- There are many different species of insects on this earth. Estimates put the number at 20 to 30 million.
- One of the interesting things about the caterpillar is that it is the only insect that can survive without heads for up to a week.
- The blue whale is the heaviest and largest animal in the Kingdom Animalia. They are warm-blooded marine mammals that weigh between 130 and 150 tons and can be between 30 and 35 meters long.
- Believe it or not. Like humans, many other species have red blood, and some animal species have a distinctive red pigment.
- Kodiak bears are the largest, endangered, omnivorous polar bears in the world. They are a stark contrast to brown bears, which can grow up to 10 feet long and weigh up to 1,500 pounds.
- According to animal behaviorists, dogs do not bark to communicate. These are their most popular attraction techniques in the world.
- Elephants are the largest terrestrial herbivores in the world. They can grow up to 9 feet in length and weigh between 4,000 -7,500 kg. Elephants live between 50 and 70 years.
- Lions, elephants, jaguars, cheetahs and leopards are among the five big cats of the animal kingdom and belong to the genus Panthera. They are the most ferocious, endangered, carnivorous, terrestrial and largest wild dogs in the animal kingdom.
- Elephants are solitary hunters, generally foraging only at night. food chain top lions and tigers | These carnivores play an important role in maintaining the population of other animals in the ecosystem.
- All members of the dog family have good eyesight, good hearing with easy access to prey at night and are good swimmers and good fishermen.
- The rhinoceros is the fastest animal on land in the world, capable of speeds of up to 112 kilometers per hour. They have a long tail between 65 cm and 80 cm.
- Baboons are solitary animals and are incredibly strong, able to run up to 58 kilometers per hour. They are specialized climbers, preferring to rest on tree branches during the day and actively feed at night.
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