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.
Bryophytes, commonly identified as mosses, form the simplest and oldest of the four plant classifications. The earliest mosses evolved from algae and so were adapted to living in an aquatic environment. As such, they had no vascular systems or roots, since all cells could extract water from their aquatic environment.ubmit. Some 475 million years ago, algae washed ashore into a moist, protected nook and developed as the first land plant. Since then, species have gone extinct and the very shape of the world has changed, but the plants have remained, adapting to each new challenge with increasing complexity and variety.