The Rainforest
The Amazon River Basin is home to the largest rainforest on Earth. The basin — roughly the size of the forty-eight contiguous United States — covers some 40% of the South American continent and portions of eight countries. The basin is drained by the Amazon River, the world’s largest river in terms of discharge, and the second-longest river in the world after the Nile.
Since 1970, over 600,000 square kilometres (232,000 square miles) of the Amazon rainforest have been destroyed. This deforestation is mainly due to land clearing for pastureland by commercial and speculative interests, misguided government policies, and commercial exploitation of forest resources.
Deforestation of the rainforest has long-term implications. The loss of habitat for many creatures ensures their extinction. The loss of vegetation depletes the oxygen in the atmosphere, which some say causes global warming.
What is the definition of “habitat” as used in the last paragraph?
A.
Environmentally friendly processes.
B.
Rainforest.
C.
Factor that causes abnormal behavior.
D.
A natural environment where species live and grow normally
The correct answer and Explanation is :
The correct definition of “habitat” as used in the last paragraph is:
D. A natural environment where species live and grow normally.
Explanation:
In the context of the paragraph, “habitat” refers to the natural environment or specific area where particular species live and thrive. The Amazon rainforest serves as the habitat for a vast array of flora and fauna. It provides the necessary conditions—such as food, shelter, and suitable climate—that enable these species to live and reproduce.
The significance of habitat in ecological terms cannot be overstated. Every species is adapted to a particular habitat, which offers the necessary resources for survival. For instance, the Amazon rainforest offers a diverse range of plants and trees, insects, birds, mammals, and reptiles, each of which has evolved to utilize this environment effectively.
When deforestation occurs, as mentioned in the paragraph, the habitat is destroyed or altered, which has severe consequences for the species that depend on it. Without their natural habitat, many species struggle to survive, leading to reduced populations and potential extinction. This loss of habitat disrupts the ecological balance, affecting not just the individual species but the entire ecosystem.
In addition to the immediate impact on species, deforestation and habitat loss can have broader environmental implications. For example, deforestation can lead to reduced oxygen levels and increased carbon dioxide, contributing to global warming and climate change. Thus, preserving habitats like the Amazon rainforest is crucial for maintaining biodiversity and environmental health.