NEET BIOLOGY

ECOLOGY

ECOSYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Due to stress, large numbers of female lemmings miscarry their young and fail to reproduce.
A
Density-Dependent
B
Density-Independent
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Density-dependent factors have varying impacts according to population size. Different species populations in the same ecosystem will be affected differently. Factors include: food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size.

Detailed explanation-2: -These density-independent factors include food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons. In addition, catastrophic factors can also impact population growth, such as fires and hurricanes.

Detailed explanation-3: -Answer and Explanation: The correct answer is Flooding.

Detailed explanation-4: -Wolf predation acted as a density-dependent limiting factor for the populations of deer, elk, and moose.

There is 1 question to complete.