NEET BIOLOGY

ECOLOGY

ORGANISMS AND THE ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Living or once-living organisms in an ecosystem are called ____
A
abiotic factor
B
biotic factor
C
non-living
D
life
Explanation: 

Detailed explanation-1: -A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae. Biotic and abiotic factors work together to create a unique ecosystem.

Detailed explanation-2: -Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms.

Detailed explanation-3: -Biotic means “pertaining to life.” A factor is something that influences another thing. So, a biotic factor, put simply, is a living thing that affects other things. A biotic factor is also called a biotic component. Be careful not to confuse biotic factor with abiotic factor.

Detailed explanation-4: -Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms. Abiotic factors include rocks, temperature, and humidity. Every factor in an ecosystem depends on every other factor, either directly or indirectly.

Detailed explanation-5: -An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents.

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