NEET BIOLOGY

ECOLOGY

BIODIVERSITY AND ITS CONSERVATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is currently a primary cause of species decline worldwide?
A
habitat destruction
B
intraspecific competition
C
random mating
D
viral outbreaks
Explanation: 

Detailed explanation-1: -Our global food system is the primary driver of biodiversity loss, with agriculture alone being the identified threat to 24, 000 of the 28, 000 (86%) species at risk of extinction.

Detailed explanation-2: -Specifically, habitat destruction and wildlife trade are the major causes of population decline in species.

Detailed explanation-3: -Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. Dinosaurs, for instance, lost their habitat about 65 million years ago.

Detailed explanation-4: -Habitat loss is a consequence of human activities such as agriculture, urbanization, deforestation, resource extraction, alteration of the sea-floor due to trawling (fishing), or the release of pollutants.

There is 1 question to complete.