Biology
- Plant Divisions
4 Plant Divisions: Bryophytes are the most common plant division and are made up mosses, liverworts and hornworts. They are found in almost every habitat, including deserts but are most adaptable to moist environments. This is thought to be the first...
- Flowers, Seeds And Dispersal
Flowers produce gametes. Look at the following diagram and identify the male and female parts: The fertilised ovules form the seeds. The ovary filled with fertile seeds is called a fruit. The rest of the flower withers away and dies. ...
- Pollen: Evolution
In this picture is pollen that got stuck to the ground because of juice or water. Pollen has been flying around because plants and flowers are blooming and they are ready to fertilize. Pollen is like a tiny grain inside id a seed plant which usually...
- Sporangium
Term:sporangium Literally meaning: ?spore case? Origin: Anc Greek??????(=seed) > (=sow,) >??????/spearo (=disperse) + ??????/angio(=vessel, receptacle) > ?????/aggos(=tube) Coined/History(?) DefinitionSporangium is a sac in which spores...
- Sporophyte
Term: sporophyteOrigin: Anc Greek ??????(=seed) > (=sow,) ????/phyto(=plant) > ???/phyo(=germinate)literally means "spore-bearing» note: the name of the classical Greek city ??????/Sparta is derived also from word ??????/spearo (=disperse)...
Biology
angiosperm
Term: angiosperm
Literally meaning: ?sperm vessel?
Origin: Anc Greek
??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)
?????? (=seed) > ??????/spearo (=disperse)
Coined/History
Angiosperms appeared during Jurassic period (203-135 million years ago). The term was coined by German botanist Paul Hermann (1646-1695) in 1690 including the class of Dicotyledones and Monocotyledones.
Definition
Angiosperm is any seed-bearing and flowering plant in which the ovules are enclosed in the ovary which develops into the fruit after fertilization. Angiosperms, except flowers, have true roots, stems and leaves and consist bigger group than gymnosperms, the other seed plant group.
- Plant Divisions
4 Plant Divisions: Bryophytes are the most common plant division and are made up mosses, liverworts and hornworts. They are found in almost every habitat, including deserts but are most adaptable to moist environments. This is thought to be the first...
- Flowers, Seeds And Dispersal
Flowers produce gametes. Look at the following diagram and identify the male and female parts: The fertilised ovules form the seeds. The ovary filled with fertile seeds is called a fruit. The rest of the flower withers away and dies. ...
- Pollen: Evolution
In this picture is pollen that got stuck to the ground because of juice or water. Pollen has been flying around because plants and flowers are blooming and they are ready to fertilize. Pollen is like a tiny grain inside id a seed plant which usually...
- Sporangium
Term:sporangium Literally meaning: ?spore case? Origin: Anc Greek??????(=seed) > (=sow,) >??????/spearo (=disperse) + ??????/angio(=vessel, receptacle) > ?????/aggos(=tube) Coined/History(?) DefinitionSporangium is a sac in which spores...
- Sporophyte
Term: sporophyteOrigin: Anc Greek ??????(=seed) > (=sow,) ????/phyto(=plant) > ???/phyo(=germinate)literally means "spore-bearing» note: the name of the classical Greek city ??????/Sparta is derived also from word ??????/spearo (=disperse)...