Which insect benefits from protist live inside

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

When organisms are classified ,they are given a two part name

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?