https://padlet.com/nguyenkyle6199/8supruzptinbh1bf en-us 2022-12-21 05:24:03 UTC 2022-12-22 19:11:45 UTC hello@padlet.com nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426406684 2022-12-21 05:25:17 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426406684 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426407019 The solar system formed 4.5 billion years ago from a dense cloud of interstellar gas and dust.]]> 2022-12-21 05:26:07 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426407019 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426408247 Also 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun.]]> 2022-12-21 05:29:17 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426408247 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426409321 Around 3.5 billion years ago, invertebrates appeared in the water and Cambrians, for example, were soft-bodied animals with a carapace or shell.]]> 2022-12-21 05:32:09 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426409321 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426410834 Cyanobacteria appeared first 1.9 billion years ago by branching off of other bacteria. ]]> 2022-12-21 05:35:51 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426410834 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426411313 Around 2.4-2.2 billion years ago, oxygen appeared in earth's atmosphere from a form of bacteria that could live on energy from the Sun and carbon dioxide.]]> 2022-12-21 05:37:04 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426411313 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426411853 Around 1.56 billion years ago, multicellular organisms appeared from single cell organisms]]> 2022-12-21 05:38:34 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426411853 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426413064 Fungi evolved from a common ancestor around 1.2 - 1.5 BYA and not much more is known about the origin of fungi]]> 2022-12-21 05:41:11 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426413064 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426414754 Once photosynthesis had raised atmospheric oxygen levels high enough, the ozone layer formed, meaning that it was then possible for living things to venture onto the land.]]> 2022-12-21 05:44:49 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2426414754 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427232630 2022-12-22 05:45:34 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427232630 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427233313 2022-12-22 05:46:38 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427233313 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427236336 2022-12-22 05:52:50 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427236336 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427239879 Plants are thought to have evolved from an aquatic green alga protist. Later, they evolved important adaptations for land, including vascular tissues, seeds, and flowers. Each of these major adaptations made plants better suited for life on dry land.]]> 2022-12-22 05:59:27 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427239879 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427241205 The Snowball Earth hypothesis proposes that, during one or more of Earth's icehouse climates, the planet's surface became entirely or nearly entirely frozen.]]> 2022-12-22 06:02:08 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427241205 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427244071 2022-12-22 06:07:06 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427244071 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427247173 Oxygen and O₂ react with each other to form ozone which created a thin ozone layer that was capable of protecting life from harmful wavelengths of UV radiation.]]> 2022-12-22 06:14:00 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427247173 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427248566 2022-12-22 06:17:00 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427248566 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427249281 2022-12-22 06:18:16 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427249281 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427250545 The earliest known fossil vertebrates were heavily armored fish discovered in rocks and was suggested that ancestors of the sharks and jawed fish were present.]]> 2022-12-22 06:21:11 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427250545 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427251268 A global depletion of oxygen caused the planet's first mass extinction about 445 million years ago, an event that killed 80% of the animals in existence at the time.]]> 2022-12-22 06:23:02 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427251268 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427251568 2022-12-22 06:23:37 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427251568 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427252074 2022-12-22 06:24:53 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427252074 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427252555 Insects may have evolved from a group of crustaceans. The first insects were landbound, but about 400 million years ago in the Devonian period one lineage of insects evolved flight, the first animals to do so.]]> 2022-12-22 06:26:03 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427252555 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427253133 The first amphibians evolved from lobe-finned fishes approximately 390 to 360 million years ago. Modern caecilians, salamanders, and frogs all evolved from these basal amphibian ancestors.

]]> 2022-12-22 06:27:25 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427253133 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427254073 2022-12-22 06:29:27 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427254073 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427255074 Reptiles first arose from earlier tetrapods in the swamps of the late Carboniferous. Increasing evolutionary pressure and the vast untouched niches of the land powered the evolutionary changes in amphibians to gradually become more and more land-based.]]> 2022-12-22 06:31:34 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427255074 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256137 Reptiles first arose from earlier tetrapods in the swamps of the late Carboniferous. Increasing evolutionary pressure and the vast untouched niches of the land powered the evolutionary changes in amphibians to gradually become more and more land-based.]]> 2022-12-22 06:34:09 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256137 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256560 2022-12-22 06:35:01 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256560 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256789 2022-12-22 06:35:27 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427256789 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427257201 2022-12-22 06:36:12 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427257201 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427258843 Morganucodon is usually considered the first mammal but its oldest fossils, only represented by isolated teeth, date from around 205 million years ago.]]> 2022-12-22 06:39:32 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427258843 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427259600 2022-12-22 06:41:07 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427259600 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260162 2022-12-22 06:42:11 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260162 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260642 The ancestors of flowering plants diverged from the common ancestor of all living gymnosperms.]]> 2022-12-22 06:43:17 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260642 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260971 2022-12-22 06:43:58 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427260971 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261199 2022-12-22 06:44:27 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261199 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261494 They were flaking crude stone tools by 2.5 million years ago.]]> 2022-12-22 06:45:03 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261494 nguyenkyle6199 https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261580 2022-12-22 06:45:12 UTC https://padlet.com/nguyenkyle6199/8supruzptinbh1bf/wish/2427261580