Question

The major components of an ecosystem are
A. Food chain and decomposers
B. Mineral cycling and energy flow
C. Food chain and energy flow
D. Energy flow and decomposers

Answer 1

A community of organisms together with their physical activities is called an ecosystem. Ecosystems are categorized into different sizes and they can be marine, aquatic, or terrestrial. Biomes mean broad categories of terrestrial ecosystems. Both matter and energy are conserved in ecosystems.

Complete answer:
Food chain and decomposers: Decomposers like fungi and bacteria from the food chain. Decaying plants produces organic wastes into inorganic materials. Such as nutrient-rich soil etc. Decomposers complete the life cycle and return the nutrients to the soil. Sometimes, it may return to the oceans for use by autotrophs.
Hence, option (A) is correct.
Mineral cycling and energy flow: Ecological recycling is also called a nutrient cycle. The movement like the exchange of organic and inorganic matter back into the production of matter.
Hence, option (B) is incorrect.
Food chain and energy flow: In the ecosystem, energy flow occurs by the food chain from producer to consumer. Food was synthesized by the producers and stores the energy from the sun.
Hence, option (C) is incorrect.
Energy flow and decomposers: Unconsumed matter refers to Potential energy, which is used and eventually dissipated as heat. Food chains have many alternate routes.
Hence, the option (D) is incorrect.

Hence, the correct answer is option (A).

Note: Symbiotic relationship with their environment consists of life forms ecosystems. These life forms in ecosystems cooperate and compete with one another to become the most successful at reproducing and surviving in a provided environment. Through this system energy flows. Basically, from light to heat, when the matter is recycled. Biodiversity In an ecosystem higher biodiversity is likely to be more stable with greater resistance and resilience in the face of disturbances, or disruptive events.