Question

Как белый медведь приспособлен к условиям внешней среды?

Answer 1

Окраска позволяет оставаться незамеченным

а в шерсти у него есть частицы кислорода,позволяющие сохранять тепло

Answer 2

У них есть теплая и густая шерсть + В шерсти у него есть частички кислорода, поэтому ему не холодно.

Answer 3

Adaptations of the Polar Bear to its Environment

The polar bear (Ursus maritimus) is highly adapted to survive in the harsh conditions of its Arctic environment. Here are some key adaptations that help the polar bear thrive:

1. Thick Fur and Layer of Fat: The polar bear has a thick layer of blubber and a dense fur coat that provide insulation and help retain body heat in freezing temperatures.

2. Large Body Size: Polar bears are the largest species of bear, with adult males weighing up to 1,500 pounds (680 kilograms) and measuring up to 10 feet (3 meters) in length. Their large size helps them conserve heat and provides them with a greater ability to hunt and survive in their environment.

3. Camouflage: The polar bear's fur is white, which helps it blend in with the snow and ice, making it difficult for prey and predators to spot them.

4. Powerful Swimmers: Polar bears are excellent swimmers and can swim long distances in search of food or to reach ice floes. They have a streamlined body shape, partially webbed paws, and a layer of fat that helps them float and stay warm in the water.

5. Adapted Teeth and Claws: Polar bears have sharp teeth and strong claws that are adapted for hunting and capturing prey. Their teeth are designed for gripping and tearing flesh, and their claws help them navigate the slippery ice and snow.

6. Efficient Metabolism: Polar bears have a slow metabolic rate, allowing them to conserve energy during periods of food scarcity. They can go for long periods without eating and can survive on their fat reserves.

7. Sense of Smell: Polar bears have an excellent sense of smell, which helps them locate seals and other prey from a distance. They can detect the scent of a seal's breathing hole from miles away.

8. Hibernation Adaptations: Female polar bears go into a state of hibernation during the winter months when food is scarce. They give birth to their cubs while in the den and rely on their fat reserves to sustain themselves and their young until spring.

These adaptations allow the polar bear to thrive in the extreme conditions of the Arctic, where they are perfectly suited to their environment.