Question

Для регулирования воды в реках бобры строят плотины. При этом деревья для строительства они подгрызают выше по течению и ведут сплав бревен к месту стройки. Что отличает эти действия животных от работ по строительству плотин, которые ведет человек? Побудителями действий животных выступают: 1)мотивы 3)навыки 2)инстинкты 4)способности

Answer 1

Ответ:

Инстинкты

Объяснение:

Answer 2

Differences between Beaver and Human Dam-Building Activities

Beavers are well-known for their ability to construct dams in rivers and streams. These dams serve various purposes for beavers, such as creating a suitable habitat, providing protection from predators, and regulating water levels. While humans also build dams for various reasons, there are several key differences between the dam-building activities of beavers and humans.

1) Motives: Beavers build dams primarily for their own survival and well-being. Their main motivation is to create a suitable environment for themselves and their offspring. By constructing dams, beavers create ponds that provide them with a safe place to live, store food, and raise their young. On the other hand, human dam-building activities are often driven by a range of motives, including water storage for irrigation, hydroelectric power generation, flood control, and navigation.

2) Instincts: Beavers' dam-building activities are largely instinctual. They have an innate ability to recognize suitable locations for dam construction and possess the instinctive knowledge of how to build them. Beavers have specialized teeth that allow them to gnaw through trees and branches, which they use as building materials for their dams. In contrast, human dam-building activities are based on acquired knowledge and skills. Humans rely on engineering expertise, scientific studies, and technological advancements to plan and construct dams.

3) Skills: Beavers possess natural skills that enable them to construct dams. They have a deep understanding of hydrology and water flow dynamics, allowing them to create structures that effectively regulate water levels. Beavers use their strong swimming abilities and their ability to manipulate objects with their paws to transport materials and build dams. Humans, on the other hand, rely on their acquired skills and knowledge in engineering, construction, and project management to build dams. Human dam-building activities often involve complex planning, design, and construction processes that require specialized skills and expertise.

4) Abilities: Beavers have evolved specific physical and behavioral adaptations that enable them to build dams. Their teeth are continuously growing, which allows them to gnaw through trees and branches efficiently. They also have a waterproof fur coat and webbed hind feet, which aid in swimming and navigating through water. Humans, on the other hand, rely on their cognitive abilities, problem-solving skills, and technological advancements to build dams. Humans can design and construct large-scale dams using heavy machinery, advanced construction materials, and engineering techniques.

In summary, the dam-building activities of beavers and humans differ in terms of motives, instincts, skills, and abilities. Beavers build dams primarily for their own survival and well-being, relying on their instincts and natural skills. Humans, on the other hand, build dams for various purposes and rely on acquired knowledge, skills, and technological advancements to plan and construct them.