When an experiment shows that two variable are closely related the experiment shows what

When an experiment shows that two variables are closely related, the experiment shows correlation between the two variables. Correlation helps to show how two variables are related and connected. Related variables are said to be correlated. For example, we can say, good health is correlated to daily exercise routine.

Explanation:

d. Fire ants spread by winged members and by hitching rides so a single colony can cause infestation.

Explanation:

Fire ant species is an invasive species which is capable of causing several allergic symptoms in humans such as skin ailments, itching, sweating, serious swelling, chest pain and can also be fatal if not treated properly. The primary function of the fire ants species is the reproduction. The fire ant can live upto seven years. They can produce 1600 eggs per day. Young and virgin male and female ant have wings which they loose after mating. The male dies after the process of copulation. There are numerous soldiers and worker ants which take care of eggs, pupa and larval stages of the young insect. It is quiet difficult to eradicate the invasive population of the fire ants because of the fact that members of this species exhibit wings which helps them to migrate to other location when they are treated with the pest control chemicals or exposed to fuming. Therefore, a small colony is capable of producing large number of progenies and may cause a huge insect infestation.