Prior to the work of Charles Darwin and Alfred Wallace, what was the universal belief about the origin of all species?

An higher being, or God created them.

Explanation:

This may not be the exact answer you are looking for, but lots of people looked to higher beings to make sense of the world before science.

All species of organisms appeared on Earth at the same time and have remained relatively unchanged.

Explanation:

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: