What is an ETF? An ETF (Exchange Traded Fund) is a diversified collection of assets (like a mutual fund) that trades on an exchange (like a stock). ETFs are an easy-to-use, low cost and tax efficient way to invest your money. iShares Core ETFs have outperformed more than 75% of their mutual fund peers on average over the past 5 years1.
The Invasion of Land. Early vascular plants, collectively known as rhyniophytes, first appeared in the late Early Silurian and diversified considerably through the Late Silurian.rthropods are the most diverse group of animals on Earth and include insects, crustaceans, arachnids, myriapods, and onychophorans as well as extinct forms like trilobites. eurypterid. Any member of an extinct order (Eurypterida) of mostly aquatic, scorpion-like arthropods that were common in the early Paleozoic.
Alien Plants The natural vegetation of South Africa is being invaded by alien plants (plants from elsewhere in the world). These are the Declared Weeds & Invader Plants as listed in 2001.cocks selected sampling sites according to the condition of the vegetation and as representative samples of the variability in the Veld types. Degraded vegetation was not included. Over 2,700 sites were sampled in the Republic of South Africa and the Kingdoms of Lesotho and Swaziland from 1938 to 1976.