Why the scotch broom is an example of mechanical isolation?

Question

This AP Biology is really hard!

Answer 1

To know why Scotch broom is an example you need to know a few characteristics about this species and the relate it with mechanical isolation.

Some facts about Cysitus scoparius (Scotch broom) are highly invasive. Once human wanted to have them everywhere, in the garden, along the roadside and in the parks but were due to invasie character proven to be harmful and finally were banned to be planted.

See this link and there are many useful points to learn and remember about.......

http://www.paghat.com/scotchbroom.html

The second big reason is, in the begining this plant species were loved and planted hugely but later it was found that they are harmful also for

forest land....SEE THIS LINK to read more.....

http://extension.oregonstate.edu/catalog...

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See this link to read WHAT MAKES this plant a bad plant. As I know from this link this plant is also a treat to hills and mountain ecosystem.

http://www.nps.gov/archive/redw/scotchbr...