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Transcript of Orchid Flower
Table of contents
source of picture: http://www-tc.pbs.org/wnet/nature/files/2008/10/na_img_obsession_flower.jpg
explanation of the tree
The phylum scientists believe have a quarter
of one million species of angiosperms.The flowers ovules contain with the megasporophylls. Self pollination is common in this plants and double fertilization is in the phylum. The liliopsida is home to about 60,000 (sixty-thousand) angiosperms.The family is mainly tropical and terrestrian plants.
the Males and the females reproductive system
It has a highly modified petal called a lip, or a labellum.
They almost come in every color size and shape that exists.
All orchids needs:
Light, Water, nutrients, and air.
Orchids prefer a warm temperature of 55-60 degrees F.
Orchids like every plant depends on bees to live. Bees pollinates the orchid so they can reproduce, and the bees get the fragrance
The bees evolved before the orchids, research shows that at least 12 million years before
There are more than 25,000 species of orchids but few fossilized speciemens have been found. A bee was discovered in 2007 and have been researched that it was from 100 million years ago, that means that orchids also lived with dinosaurs
Natural selection Of Orchids
"Classification & Identification." Vanilla Planifolia. N.p., n.d. Web.
"Orchid Evolution." Dokmai Dogma. N.p., 18 Nov. 2011. Web. 27 May 2014.
"Orchids through Darwin's Eyes." Orchids Through Darwin's Eyes. N.p., n.d. Web. 27 May 2014.
“In my examination of Orchids, hardly any fact has so much struck me as the endless diversity of structure...for gaining the very same end, namely, the fertilization of one flower by the pollen of another.” Charles Darwin
Montgomery, Stephen. "Charles Darwin & Evolution." Charles Darwin & Evolution. N.p., n.d. Web. 27 May 2014.
"Orchid Adaptations to an Epiphytic Lifestyle." Marie Selby Botanical Gardens. N.p., n.d. Web. 25 May 2014.
Archaefructus Liaoningensis is the ancestor that is 125 million years ago. There is evidence on pollen on rocks that believe 400 million years ago was when plants first evolved.
There is evidence that the Gigantopterids are an ancestor of the orchids. Even though that they didn´t flower the structure of the leaves and of the stem are very similar.
Orchids have a special adaptation in the roots, stems, leaves and seeds. They absorb nutrients from the surface of the host and rainwater. Orchids also have enlarged stems, that are used for water and carbohydrate storage. This allows orchids to flourish with rain seasons and flouds. Orchids also have a modified photosynthetic pathway for the dry places. And also orchids are adapted to windy places.