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1 day ago · Angiosperms were formerly called Magnoliophyta (/ m æ ɡ ˌ n oʊ l i ˈ ɒ f ə t ə,-ə ˈ f aɪ t ə /). Angiosperms are distinguished from the other seed-producing plants, the gymnosperms, by having flowers, xylem consisting of vessel elements instead of tracheids, endosperm within their seeds, and fruits that completely envelop the seeds.
- Flowers
A flower, also known as a bloom or blossom, is the...
- Monocots
John Ray (1674), pp. 164, 166 Since this paper appeared a...
- Wolffia Arrhiza
Wolffia arrhiza is a species of flowering plant known by the...
- Flowers
1 day ago · Arthropods ( / ˈɑːrθrəpɒd / ARTH-rə-pod) [20] are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated ( metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting ...
Krievijas ilzīte. Krievijas ilzīte ( Anthemis ruthenica) ir augu suga ilzīšu ģintī. Tās dabiskais izplatības areāls ir Eiropas dienvidaustrumos, taču ir ievazāts arī citviet pasaulē, tostarp Latvijā, kur tas ir sastopams ļoti reti uz dzelzceļiem. Augs ir ļoti tuvi radniecīgs lauka ilzītei ( Anthemis arvensis ), tādēļ daži ...
2 days ago · Charles Darwin, the renowned British naturalist and father of evolutionary theory, revolutionized our understanding of life on Earth through his groundbreaking work "On the Origin of Species," forever changing how we view ourselves and all living organisms.
- Adrian J. Desmond
- Charles Darwin’s theory of evolution by natural selection is the foundation upon which modern evolutionary theory is built. The theory was outlined...
- Charles Darwin’s theory of evolution had three main components: that variation occurred randomly among members of a species; that an individual’s t...
- Growing up, Charles Darwin was always attracted to the sciences. In 1825 his father sent him to the University of Edinburgh to study medicine. Ther...
- Charles Darwin was born in England to a well-to-do family in 1809. His father was a doctor, and his mother—who died when he was only eight years ol...
- Charles Darwin’s theories hugely impacted scientific thought. But his ideas also affected the realms of politics, economics, and literature. More i...
1 day ago · The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs . Eon.
4 days ago · Suur rusujuurLithospermum officinale. Suur rusujuur ( Lithospermum officinale) on kareleheliste sugukonda arvatud taime liik .
1 day ago · Early life and family. Galileo was born in Pisa (then part of the Duchy of Florence ), Italy, on 15 February 1564, [15] the first of six children of Vincenzo Galilei, a lutenist, composer, and music theorist, and Giulia Ammannati, who had married in 1562. Galileo became an accomplished lutenist himself and would have learned early from his ...
