Question

41. A student studying the biosphere makes a list of biotic and abiotic characteristics of various biomes. Which characteristic is considered a biotic factor?
A. dry, sandy, nutrient-poor soil in a desert

B. less than 25 cm of precipitation in a desert

C. evergreen trees present in a coniferous forest

D. temperature range of -40 to 40°C in a grassland

Answer 1

A biotic factor is one that is living. C would be the correct answer here.

Answer 2

· Abiotic factors are nonliving, such as temperature, sunlight, and soil in an ecosystem.
· Biotic factors are the living parts of an ecosystem, such as plants and animals.

Given the above, the biotic factor listed is evergreen trees in a coniferous forest.

The other options - soil, precipitation, and temperature - are abiotic.

Answer:
C. evergreen trees present in a coniferous forest