Dandelion
Even weeds are lplants and many weeds have flowers so flower are both plants and weeds. flowers you dont want growing where they are are weeds. as are plants.
yellow white light (as in not heavy) fragil green stem
Yes, chickens are the exterminators of the garden. They love bugs and slugs and worms but be aware they like a little salad with their meat and you will lose fresh greens along with the weeds and insects.
Because weeds are better adapted to grow than planted flowers.
Some weeds (ex. dandelions) look like flowers because they have a flower head and are related to flowers. But flowers and vegetables were nothing more than weeds centuries ago before people started cultivating them.
weeds
yes, i think they do!
flowers and weeds
No clovers are not the same as flowers, they are considered weeds.
Weeds aren't pretty, flowers are. Weeds grow every which way. You buy flowers to grow the way you want them to...tall, wide, etc.
http://www.illinoiswildflowers.info/weeds/plants/yl_sorrel.htm It is possible that it is yellow sorrel. Follow link to see pic.
Yes they compete with weeds and other flowers for sunlight, nutrients and water.