What was the evolution of a fluid-filled space separating the digestive tract from the body's outer layer?

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.

How many chromosomes are in a gold fish?

Asap what occurs after cytokinesis is completed at the end of meiosis 1?