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.
1st treelike plants; giant woody lycopods & sphenopsids form extensive forests in swampy areas; evolution of early seeds (seed ferns) and first stages of leaves (363 mya) Devonian diversification of vascular plants; sharks & fishes dominant in the oceans; (409 mya)