Higher animals and plants most likely have oogametes
Longitude is used to measure distances in degrees from the Prime Meridian. The correct option among all the options that are given in the question is the second option. The main purpose of longitude is to determine the east and west position of a point based on its geographical coordinate. I hope the answer helps you.<em />
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.