NEET BIOLOGY

ECOLOGY

ECOSYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Examples of how humans negatively affect local ecosystems are
A
Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
B
Creating laws to prohibit fishing from local streams.
C
Planting trees and other plants to attract native species.
D
Removing non-native species from the environment.
Explanation: 

Detailed explanation-1: -Impacts from human activity on land and in the water can influence ecosystems profoundly. Climate change, ocean acidification, permafrost melting, habitat loss, eutrophication, stormwater runoff, air pollution, contaminants, and invasive species are among many problems facing ecosystems.

Detailed explanation-2: -Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Detailed explanation-3: -Humans are fully dependent on Earth’s ecosystems and the services that they provide, such as food, clean water, disease regulation, climate regulation, spiritual fulfillment, and aesthetic enjoyment.

Detailed explanation-4: -Biodiversity loss can have significant direct human health impacts if ecosystem services are no longer adequate to meet social needs. Indirectly, changes in ecosystem services affect livelihoods, income, local migration and, on occasion, may even cause or exacerbate political conflict.

There is 1 question to complete.