LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is most likely to cause the greatest disruption to an ecosystem?
A
Emptying an aquarium containing non-native species into a local waterway
B
Cutting down a small cedar tree to make holiday decorations
C
Cleaning the windshield of a car with an alcohol-based glass cleaner
D
Mowing the lawn in a city park
Explanation: 

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: -The impact of ecosystem destruction are the following: Increased flooding due to the erosion of soil and lack of trees. Rising of the sea levels due to the melting of the glaciers, caused by Global Warming. Disruption of the food chain when the apex predators become extinct.

There is 1 question to complete.