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The fossil history of flowering plants records the development of flowers and other distinctive structures of the angiosperms, now the dominant group of plants on land.The history is controversial as flowering plants appear in great diversity in the Cretaceous, with scanty and debatable records before that, creating a puzzle for evolutionary biologists that Charles Darwin named an "abominable ...
The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. [1] Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from the Late Jurassic period was considered to have been the earliest bird.
Planning a successful wildlife garden requires consideration of the area surroundings, and a focus on overall ecological functionality. Vegetative structure and complexity play an important role in the benefits the landscape will provide to the wildlife, through the varying plants serving as sources of food and cover for survival. [8]
The main Early Carboniferous plants were the Equisetales (Horse-tails), Sphenophyllales (scrambling plants), Lycopodiales (Club mosses), Lepidodendrales (arborescent clubmosses or scale trees), Filicales (Ferns), Medullosales (previously included in the "seed ferns", an artificial assemblage of a number of early gymnosperm groups) and the ...
Caitlyn the dog passed away Sunday after being diagnosed with cancer 10 years after making national headlines for a horrific animal abuse case. Nearly a decade ago, Caitlyn the dog endured cruelty ...
Intended for primary and secondary school level readers, the first books were field guides illustrated by James Gordon Irving, with such titles as Birds (1949), Insects (1951), and Mammals (1955). The series later expanded beyond identification guides to cover a wider range of subjects, such as Geology (1972), Scuba Diving (1968) , and Indian ...
A Department of Defense comptroller report from the same year included $86.5 million for "dedicated diversity and inclusion activities" as well as language showing the importance of DEI to the ...
Adult male iguanas can reach 5 feet in length, and weigh up to 20 pounds. Many iguanas in South Florida have adapted to going deep into burrows where they stay insulated from the cold.