Quick Answer: Which one of the following is threat to ecological balance?

when a nature or human caused disturbance disrupts the nature balance of an ecosystem. if a species disappears or a new species is introduced it can become a threat to ecological balance..

What are the major threats of ecological imbalance?

Pollution (air, water and soil) Degradation of natural resources such as soil erosion, deforestation, depletion of wildlife, shortage of energy, degradation of marine ecosystems and depletion of mineral resources.

What is the problem of ecological balance?

Ecological imbalance is when a natural- or human-caused disturbance disrupts the natural balance of an ecosystem. The balance of an ecosystem can be disrupted by natural or human-caused disturbances. If a species disappears or a new species is introduced it can shift an ecosystem to a state of ecological imbalance.

Which of the following is a threat to ecosystem?

Twenty-first century threats to our environment—including invasive species, diseases, pollution, and a warming climate—are putting wildlife populations at risk. The National Wildlife Federation unites Americans addressing these environmental threats and protecting our wildlife and their habitats.

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Which one of the following is a tree to ecological balance?

*The leaves or fruits in trees provide food for some organisms and thus maintain ecological balance. *Trees provide oxygen which are required for animals for respiration. *The roots in trees hold soil and thus prevent soil erosion.

What are the main causes for ecological imbalance?

Ecological Imbalance in India: 5 Main Factors

  • Degradation of Land and Soil Erosion:
  • Deforestation:
  • Faulty Utilisation of Water Resources:
  • Environmental Problems from Faulty Mining Practices:
  • Industrial and Atmospheric Pollution:

What is the ecological balance?

Ecological balance has been defined by various online dictionaries as “a state of dynamic equilibrium within a community of organisms in which genetic, species and ecosystem diversity remain relatively stable, subject to gradual changes through natural succession.” and “A stable balance in the numbers of each species …

How ecological balance is disturbed by natural disasters?

Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet. Initially, these disasters negatively affect the biodiversity of wetlands, forests and coastal systems by causing the spread of invasive species, mass species mortality and loss of habitat.

Which of these may happen when the environmental balance is disturbed?

Ecology is the science of the study of ecosystems. … 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.

What are the effect of pollution on ecological balance?

Air pollution affects ecosystems in a number of ways, altering basic ecosystem functions such as primary production (plant growth) and biogeochemical cycling which in turn affect the ecosystem services and therefore the benefits that humans get from the environment such as timber, clean drinking water and an …

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What is a threat to environment?

Environmental threats are harmful after-effects of the human activities to the physical environment plaguing the planet with pollution, deforestation, climate change, ozone depletion, and water scarcity. … Water scarcity is a severe environmental issue and needs potentially sustainable methods to address the threat.

What are threatened species examples?

Apart from the mega-species– Royal Bengal tiger, Asian elephant and Indian rhino, WWF-India also has Threatened Species Conservation Programme since 2008 and include species, viz., Nilgiri tahr, Asiatic lion, snow leopard, black-necked crane, smooth coated otter, Himalayan quail, great Indian bustard, leopard, gharial, …

Which one of the following is not threat to environment?

Growing plants is not a threat to environment.