When you think of an organism changing its environment, you may think of large animals like humans that leave obvious signs of where they have been. however, even very small organisms make an impact on the environment. one small organism makes an impact by burrowing in the soil, to mix it and make it more fertile.

what animal create more fertile soil?
a) bacteria
b) earthworms
c) fungi
d) slugs

The correct answer is B. Earthworms

As they dig and eat their way through the dirt, they leave behind rich soil. Their burrows also help to aerate the soil.

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common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.