What is the economic importance of gymnosperms?

and please I don't want it to be a complicated article only 6 or 7 points... thanx

1. How are conifers better adapted to living on land than ferns? 2. What are 2 Advanced structures that the Angiosperms have & Gymnosperms DON'T have? 3. How is the gametophyte stage in Gymnosperms and Angiosperms different than that of Bryophytes...

I change stature as I age, but my importance does not differ by age. My importance is manifested mostly when with my boss. When we part, I am of no importance.What am I?

I change stature as I age, but my importance does not differ by age. My importance is manifested mostly when with my boss. When we part, I am of no importance. What am I?

I need to write a paper that includes the following: the earths environment and how plants were suited to live in that environment, 400 million years ago Basic info on the different types of Gymnosperms how Gymnosperms were most suited to the earth's...

please give me some suggestions of eBooks(please provide links) and books that talks about the importance of the internet, specifically its importance to the society. Or maybe eBooks and/or books that talks about why internet is needed, and all the things...

Since tweets are appearing in googles' realtime results, will google link the retweet importance to the original twitter owner and the website linked to that owner or the link contained within the original tweet itself (if in fact they are not no-follow...