which of the following are mature(climax) communities?

Question

a tundra
b sand dune
c temperate rainforest
d wetland

I'm guessing it's sand dune or wetland

Answer 1

Why are you guessing? I'm sure your text discusses the characteristics of a climax community.

Answer 2

could ya tell me what sand dune and wetland refer to?

Answer 3

A sand dune is a big heap of sand often near a large body of water. Very few plants grow in sand dunes.

http://www.google.com/images?hl=en&source=imghp&q=sand+dune&gbv=2&aq=f&aqi=g10&aql=&oq=&gs_rfai=

A wetland is a swamp or bog or other low lying area with water in it.

http://www.google.com/images?hl=en&source=imghp&q=wetland&gbv=2&aq=f&aqi=g10&aql=&oq=&gs_rfai=

Answer 4

so it's the tundra.

Answer 5

Please study this site carefully.

http://www.scienceclarified.com/Sp-Th/Succession.html