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Productive animals are selectively bred to ensure the next offspring will be equally, if not more productive. These young animals are kept inside in warm conditions to limit energy loss due to maintaining...
The applied nitrates may seep into water sources from the fields at times of rainfall. Here, they increase the nitrate concentration in the water, leading to an algal bloom. This layer of surface algae bl...
Basic level answer
Description of some form of geographical separation leading to isolated populations
Referencing reduced interbreeding and the development of differences b...
Glucose
Oxygen
They defend the body against diseases by producing antibodies
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