Question

1 / 1 Задача 1. По мнению ученых, для полного захвата планеты различными организмами понадобился бы срок: Бактерии - 1,5 дня Инфузории - 31-67 дней Сельди - 7-12 лет Куры – 15-18 лет Крысы 8 лет Дикие свиньи – 5-6 лет Домашние свиньи – 8 лет Индийский слон – 1000 лет Однако, ни слоны, ни свиньи, ни инфузории не заполняют собой весь земной шар. ПОЧЕМУ?

Answer 1

Ответ:

Вроде так,нашла в интере

Answer 2

Why haven't certain organisms taken over the entire planet?

According to scientists, the time required for different organisms to completely take over the planet varies. Here are the estimated time periods for various organisms:

- Bacteria: 1.5 days - Infusoria: 31-67 days - Herring: 7-12 years - Chickens: 15-18 years - Rats: 8 years - Wild boars: 5-6 years - Domestic pigs: 8 years - Indian elephants: 1000 years

However, despite these estimated time periods, none of these organisms have managed to completely fill the entire Earth. The question is, why?

There are several factors that contribute to this:

1. Environmental Factors: Different organisms have specific environmental requirements for survival and reproduction. They are adapted to thrive in specific habitats and conditions. For example, bacteria can survive in a wide range of environments, but they still require specific conditions to multiply rapidly and dominate an area. Similarly, elephants require specific habitats with abundant resources to sustain their large size and long lifespan.

2. Competition: Organisms compete with each other for resources such as food, water, and living space. This competition limits the ability of any single species to dominate an entire ecosystem. Even if an organism is highly successful in one area, it may face competition from other species that are better adapted to different environments or have different ecological niches.

3. Predation and Disease: Predators and diseases play a crucial role in regulating populations. They can control the population size of certain organisms and prevent them from becoming dominant. For example, predators may prey on rats or wild boars, keeping their populations in check. Similarly, diseases can have a significant impact on population dynamics, preventing exponential growth.

4. Geographical Barriers: The Earth is a vast and diverse planet with various geographical barriers such as mountains, oceans, deserts, and forests. These barriers can limit the movement of organisms and prevent them from spreading to new areas. This fragmentation of habitats restricts the ability of organisms to colonize and dominate the entire planet.

5. Evolutionary Constraints: Each organism has evolved unique characteristics and adaptations that allow them to survive and reproduce in their specific ecological niche. These adaptations may not be advantageous in all environments, limiting the ability of organisms to expand beyond their specialized habitats.

In conclusion, the failure of organisms like elephants, pigs, and infusoria to completely dominate the Earth can be attributed to a combination of environmental factors, competition, predation and disease, geographical barriers, and evolutionary constraints. These factors create a complex web of interactions that prevent any single species from taking over the entire planet.