Lady bugs are carnivores. If you want to get more technical they are insectivores. This is because they only eat soft bodied insects/arachnids like aphids, mites, and scale insects.
A body of water that has experience eutrophication has way to many nutrients and minerals in it. This is caused from factory, agriculture,and road run off. It causes an excessive growth of plants in the body of water basically. Some of the minerals and nutrients include Sodium triphosphate and Phosphorus<span />
I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous