- Khan Academy
Khan Academy Khan Academy
- Cambrian explosion - Wikipedia
The Cambrian explosion (also known as Cambrian radiation[1] or Cambrian diversification) is an interval of time beginning approximately 538 8 million years ago in the Cambrian period of the early Paleozoic, when a sudden radiation of complex life occurred and practically all major animal phyla started appearing in the fossil record [2][3][4
- True Flies (Diptera) - Smithsonian Institution
General information There are more than 110,000 described species of flies in the world Flies are superb mimics, especially in the Families Bombyliidae (Bee flies), Syrphidae (Flower flies) , and Asilidae (Robber flies) Bee flies are usually fast flying insects with appearances of small bees, while Robber Flies are commonly larger, slower flying, and a few resemble Bumble Bees A fly known
- Scientists warning on climate change and insects - Harvey . . .
Given their generally small body size, and the fact that the vast majority of species are ectothermic (Harrison et al , 2012), insects are considered to be especially susceptible to the direct effects of changing temperature and moisture regimes (Halsch et al , 2021; Harvey, Heinen, Gols, Thakur, 2020; Wagner, 2020) Climate change can, therefore, shape the physiology and behavior of insects
- Horizontal gene transfer between bacteria and animals - PMC
Horizontal gene transfer is increasingly described between bacteria and animals Such transfers that are vertically inherited have the potential to influence the evolution of animals One classic example is the transfer of DNA from mitochondria and
- Eukaryote - Wikipedia
The eukaryotes ( juːˈkærioʊts, - əts yoo-KARR-ee-ohts, -əts) [3] comprise the domain of Eukaryota or Eukarya, organisms whose cells have a membrane-bound nucleus All animals, plants, fungi, seaweeds, and many unicellular organisms are eukaryotes They constitute a major group of life forms alongside the two groups of prokaryotes: the Bacteria and the Archaea Eukaryotes represent
- PubMed Central (PMC)
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