Read the following Assertion and Reason and choose the correct option. Assertion: Mammals and birds requiring large territories and animals with migratory habits are badly affected by habitat fragmentation, leading to population declines. Reason: Habitat loss and fragmentation are the most important causes of extinction for animals and plants.

Step-by-step solution

The Assertion is accurate in stating that mammals and birds requiring large territories and animals with migratory habits are badly affected by habitat fragmentation, leading to population declines. The Reason provides the correct explanation, mentioning that habitat loss and fragmentation are the most significant causes of extinction for animals and plants, which aligns with the negative impacts on populations of certain species as stated in the Assertion.