NEET BIOLOGY

ECOLOGY

ECOSYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Within a piece of decaying cow dung there are millions of organisms of different species. These organisms together constitute:
A
a family.
B
a habitat.
C
a community.
D
an ecosystem.
Explanation: 

Detailed explanation-1: -Cow dung contains ash, nitrogen, carbon, cellulose, hemicelluloses, magnesium, manganese, calcium, zinc, and trace elements (Fulhage, 2000). Cow dung manure is rich in carbon and nitrogen, which indicated that it could be a promising feedstock for the growth of microbes (Adegunloye et al., 2007).

Detailed explanation-2: -Bacillus and Clostridium species are spore forming bacteria that are commonly found in cattle manure.

Detailed explanation-3: -Saprophytes are living organisms that feed on the dead and decaying organisms. They break down complex organic matter into simpler substances that plants can use for a variety of metabolic activities. Saprophytes include fungi and a few bacteria.

Detailed explanation-4: -Most decomposers are microscopic organisms, including protozoa and bacteria. Other decomposers are big enough to see without a microscope. They include fungi along with invertebrate organisms sometimes called detritivores, which include earthworms, termites, and millipedes.

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