AP BIOLOGY

ECOLOGY

ENERGY FLOW AND THE FOOD CHAIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which list contains only abiotc factors?
A
water, tree stumps, dirt
B
bear, deer, cows
C
water, birds, rocks
D
pebbles, sunlight, horse
Explanation: 

Detailed explanation-1: -Which of the following includes only abiotic features? (a) air, water, animal waste, soil (b) air, water, soil, grass (c) grass, deer, air, water (d) temperature, wind, light, water. The correct answer is D. Abiotic features came from non-living things or components of the environment.

Detailed explanation-2: -Soil is considered an abiotic factor since it is mostly made up of small particles of rock (sand and clay) mixed with decomposed plants and animals. Plants use their roots to get water and nutrients from the soil.

Detailed explanation-3: -Is this dead tree an abiotic or biotic factor in this ecosystem? A: Biotic, because it was once a living thing. Things that are abiotic factors were never living.

Detailed explanation-4: -Soil is composed of both biotic-living and once-living things, like plants and insects-and abiotic materials-nonliving factors, like minerals, water, and air.

There is 1 question to complete.