An essay about arial animals
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The birds
One of the major groups within the aerial animals are the birds, whose history goes back to 200 million years.
Defined by zoology as vertebrate, warm-blooded animals, they are bipedal and have the motive ability to fly, jump and walk. One of the characteristic features of birds is their wings, which occupy the place of the front limbs.
Most of the species can use them to fly although those that do not have that faculty are not considered aerial animals although they can be birds, like the ostrich.
Its hind limbs are legs, with varying features but all with claw-shaped feet, which may have two, three or four parts in different positions.
Birds have a body whose main peculiarity and difference with other species is that it is covered with feathers.
Among the vital functions of feathers for aerial animals, they serve to control body temperature, fly, protect themselves from wind, humidity or sun, float, swim, dive, slide, walk in the snow, build their nests, take care of Their young, camouflage and store food or drinks.
In addition, many of the species of this group of aerial animals have instead a mouth, with a horny shape. They lack teeth, so they swallow the food in its entirety without swallowing them in the mouth, but that process occurs in the stomach.
In this sense, the peak serves to feed, build, transport some materials but also use it as a weapon of defense or seduction.
As for the body size of the birds, these present differences according to the species, and it can vary between the 6.4 centimeters of the hummingbirds to the almost two meters that can have some eagles.
Bird-like aerial animals have mostly thin, supple skin, which allows them great ease and variety of movement to their muscles.
Within their muscle mass, the muscles of the pectorals are the most prominent and prominent, as they are highly developed to allow and effect flutter.
This group of aerial animals have a number of peculiarities in the behaviors that make up their life cycle that the differences of other species, even with those that share habitat. Birds are skillful builders and can make nests in different places and with different structures, to accommodate their young and take care of them in their primary development.
They also have particularities in the feeding of their young, which is often produced by word of mouth. In addition, they stand out for their ability to migrate depending on the seasons of the years throughout their life.
Another characteristic feature is the need to live in groups of large specimens that are detected by mating with offspring growing on eggs.
In general, their bones have a dry and light composition, something that allows them to have little body weight. In addition, they present a respiratory system with very efficient functions. The sum of their bone structure and their respiratory system allows them to develop their main means of locomotion, flight, in an agile and effective way.
Among his most important faculties are his sight and his communication, which vary according to each species, but all have songs or sound calls. In addition, they have highly developed cognitive abilities.
Insects
Unlike birds, insects that are part of aerial animals are invertebrate organisms. Without a spine, its physiognomy completes it: a pair of antennas, three pairs of legs and two pairs of wings.
Insects comprise more than one million species registered on the face of the Earth and another 30 million unregistered, making them the most varied group of animals on the planet.
Like birds, their life is not entirely aerial, but can adapt to any type of habitat, but only a small group manages to adapt to the ocean.
All insects have great ability to detect danger and flee. Antennas are a fundamental organ that allow them to smell, touch and hear, whether in situations of risk, mating or location.
The physiognomy of the insects comprises the external exoskeleton, which covers the whole body and has different layers, the head, the antennae and its extremities.
Within the extremities are its wings, composed of silky and transparent material, and its legs, which are characterized by being articulated, giving it a variety of possible movements.
Its mouth is one of the peculiarities of this type of aerial animals, because it is a complex system that allows them to grind, chew or gnaw solid foods.
One of the main parts of his oral apparatus is the labrum, considered as the roof of the mouth and which is composed of a hardened cuticle plate, with varying shapes and ascending and descending movements.
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