SCIENCE
ECOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Introduction of an invasive species.
|
|
Changes in rainfall patterns
|
|
Eradication of predators by ranchers.
|
|
All of these
|
Detailed explanation-1: -The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made causes.
Detailed explanation-2: -Invasive alien species have devastating impacts on native biota, causing decline or even extinctions of native species, and negatively affecting ecosystems. Invasive alien species are animals, plants, fungi and microorganisms entered and established in the environment from outside of their natural habitat.
Detailed explanation-3: -Plants that do not occur naturally in a region but proliferate in the area they have been introduced into, and cause several negative impacts (such as affecting native biodiversity, causing economic losses and harming human health) in these new habitats, are called invasive plants.
Detailed explanation-4: -An invasive floating plant known as a water hyacinth can be found in water bodies all over the world. These invasive species seriously damage a variety of ecosystem lifeforms by preventing sunlight from entering and oxygen levels from rising in water systems.