What are the biotic and abiotic factors affecting black bear?

Answer 1

Black footed ferret affected by

Biotic factors Black-footed ferrets are susceptible to numerous diseases. Primary causes of mortality include habitat loss, human-introduced diseases, and indirect poisoning from prairie dog control, prairie dog habitat loss White-tailed prairie dogs and black-tailed prairie dog colonies may offer slightly different advantages to black-footed ferrets. wildlife occupy ecosystems used for livestock forage, grazing often alters these ecosystems, and native species often experience population declines as a result. Abiotic factors Tetraconazole - Fungicide - CAS No. 112281-77-3 The black-footed ferret is possibly collocated in a total of 13 counties in three states (MT, NE, and WY) based on EFED's LOCATES Database. There may be a potential for indirect adverse effects based on an endpoint of increased length of gestation. It is possible that the availability of prey for the black-footed ferret could be reduced. The black-footed ferret feed on prairie dogs and other small mammals that may chronically contain tetraconazole residues. Oil and natural gas exploration and extraction can have detrimental impacts on prairie dogs and black-footed ferrets. Seismic activity collapses prairie dog burrows. Other problems include potential leakages and spills, increased roads and fences, increased vehicle traffic and human presence Type of prairie dog burrow may be important for occupancy by black-footed ferrets. If prairie dog colonies are too small and spaced too far apart, black-footed ferrets will not be able to sustain themselves due to lack of food, burrows, and thermal cover.

Answer 2

First, you must know what biotic and abiotic factors are. For this, see the Related Questions below.

In this case (for the Black Bear), the biotic factors could be the predators of a black bear [1], and the abiotic factors could be Forest Fires.

Note:

[1] I do not know what a predator of a black bear would be. So I asked the following question on WikiAnswers: "What animal hunts black bears?". I added the question as a Related Question below, so that you can see if it gets answered.