'570 million years ago' presentation slideshows

694 views • 69 slides

Save the planet !!!

Save the planet !!!. The Sun is rising. Delightful! Our planet is blue!. 4 600 million years ago. after an explosion of the Sun. the Earth and the planets emerged. as a cloud of gas and dust. 4 300 million years ago. the Earth's crust. was formed. 570 million years ago.

606 views • 57 slides

History of the Earth

History of the Earth. A brief overview. Charles Lyell: Father of Modern Geology. A The Present is the Key to the Past @ Lyell. Huttonian uniformatarianism. What does this mean?. Precambrian. Precambrian Events. 4.6 billion years ago until 570 million years ago. The Canadian Shield formed.

339 views • 23 slides

Ch.18, 19 and 20

Ch.18, 19 and 20. Phylum Arthropoda. Arthropoda. The most diverse and numerous of all animal phyla Joint-foot 900,000 species More beetles than all vertebrates(species). Evolution of Arthropods. Natural selection Fewer body segments Specialized appendages

233 views • 23 slides

189 views • 18 slides