The Allee effect refers to the phenomenon where the survival rate decreases when the number of individuals is small.

He pointed at the location on the map.

That individual is particularly strong among the species.

There are not many parks in this area.

His tie is hanging down.

We decided to descend the mountain.

His survival was considered a miracle.

He has the ability to live even in harsh environments.

This phenomenon remains unexplained for scientists.

The success rate of this project is 80%.