What structures to eukaryote cells have that prokaryotes do not? 1. nucleus
2. celle membrane
3. mitochondria
4. endoplasmic reticulum

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.

Explanation:

prokaryotes have no nucleus

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.