Question

Помогите сделать кластер на тему "Земноводные" 70 баллов

Answer 1

Земноводные-Класс позвоночных четырёхногих животных.

Лягушки,тритоны и т.д

Всего примерно 8384 вида

В россии - 28 вида

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(вот т.е каждая стрелка каждое определение)

Answer 2

Clustering on the Topic of "Земноводные" (Amphibians)

To create a cluster on the topic of "Земноводные" (Amphibians) and earn 70 points, you can consider the following points:

1. Introduction to Amphibians: - Amphibians are a class of cold-blooded vertebrates that include frogs, toads, salamanders, and caecilians. - They are characterized by their ability to live both in water and on land, undergoing metamorphosis from aquatic larvae to terrestrial adults.

2. Classification and Diversity: - Amphibians are divided into three main groups: Anura (frogs and toads), Caudata (salamanders and newts), and Gymnophiona (caecilians). - There are over 7,000 known species of amphibians, with new species being discovered regularly. - They can be found in a wide range of habitats, including forests, deserts, wetlands, and even high-altitude regions.

3. Physical Characteristics: - Amphibians have unique adaptations that allow them to thrive in both aquatic and terrestrial environments. - They typically have moist, permeable skin that helps with respiration and water absorption. - Most amphibians have a three-chambered heart and lay eggs in water, which undergo external fertilization.

4. Life Cycle and Reproduction: - Amphibians undergo metamorphosis, starting as aquatic larvae (tadpoles) and transforming into terrestrial adults. - Reproduction in amphibians varies among species. Some lay eggs in water, while others give birth to live young. - Many amphibians rely on water bodies for breeding, as their eggs and larvae require an aquatic environment.

5. Ecological Importance: - Amphibians play a crucial role in ecosystems as both predators and prey. - They help control insect populations and serve as indicators of environmental health. - Amphibians are also important in nutrient cycling and contribute to the overall biodiversity of ecosystems.

6. Threats and Conservation: - Amphibians face numerous threats, including habitat loss, pollution, climate change, and disease. - Many amphibian populations have declined significantly, with some species facing the risk of extinction. - Conservation efforts focus on habitat preservation, captive breeding programs, and disease management.

These points provide a general overview of the topic "Земноводные" (Amphibians). Remember to expand on each point and provide more detailed information to reach the desired 70 points.