Question

Для чего нужны :чешуя перья и шерсть своим обладателям?

Answer 1

Для защиты. Иногда животные переносят на шерсти семена растений. Птицам перья нужны для защиты от воды.Их перья покрыти железой,которая позволяет не мокнуть.  

Answer 2

Чаще всего для защиты и некоторым чтобы не замёрзнуть

Answer 3

The Purpose of Scales, Feathers, and Fur

Scales, feathers, and fur serve different purposes for the animals that possess them. Let's explore the functions of each:

Scales: Scales are typically found on reptiles, such as snakes and lizards, as well as on some fish and certain mammals like pangolins. They serve several important functions:

1. Protection: Scales provide a protective layer that helps shield the animal from physical harm, such as injuries from predators or environmental hazards. 2. Water Regulation: Scales can help reduce water loss by creating a barrier that prevents excessive evaporation from the animal's skin. 3. Thermoregulation: Scales can aid in regulating body temperature by reflecting or absorbing heat from the environment. 4. Camouflage: Some animals use scales to blend in with their surroundings, helping them avoid detection by predators or prey.

Feathers: Feathers are unique to birds and play a crucial role in their survival. Here are some key functions of feathers:

1. Flight: Feathers are essential for flight, providing lift and maneuverability. They enable birds to soar through the air and navigate their environment. 2. Insulation: Feathers help regulate body temperature by providing insulation. They trap air close to the bird's body, creating a layer of warmth that helps retain heat. 3. Waterproofing: Many bird species have specialized feathers that repel water, keeping their bodies dry even in wet conditions. 4. Display and Communication: Feathers are often used for courtship displays and communication between birds. They can be vibrant in color and pattern, helping attract mates or establish dominance.

Fur: Fur is primarily found on mammals and serves various important functions:

1. Insulation: Fur helps mammals maintain a stable body temperature by providing insulation against cold weather. It traps air close to the body, creating a layer of warmth. 2. Protection: Fur can protect mammals from physical harm, such as injuries from predators or environmental elements. 3. Camouflage: Many mammals have fur that matches their surroundings, allowing them to blend in with their environment and avoid detection. 4. Sensory Functions: Fur can contain sensory receptors that help mammals detect touch, temperature, and other environmental stimuli.

In conclusion, scales, feathers, and fur serve various essential functions for the animals that possess them. They provide protection, aid in thermoregulation, assist in camouflage, and play a role in communication and survival.