useless trivia: What Word Means: To Become Established In And Adjusted To A New Habitat?

Questions

[science and technology] how many pockets has a snooker table?

[science and technology] what first appeared beside the roads outside the huses of parliament in 1868?

[science and technology] what are romney marsh, suffolk and swaledale?

[science and technology] what is a death cap?

[science and technology] what are animals called if they are abl to live on land or in water?