https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0 Learn from yesterday, Live for today, Hope for tomorrow. - Albert Einstein en-us 2019-01-21 08:49:16 UTC 2019-03-13 12:40:42 UTC hello@padlet.com teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322606705 The atmosphere was created around the first 500 million years (about 4500 million years ago).  According to this site, "1 billion years ago (1000 million years ago) early aquatic organisms called blue-green algae began using energy from the Sun to split molecules of H2O and CO2 and recombine them into organic compounds and molecular oxygen (O2)". Around this time, oxygen levels on earth were rising.

To a conlusion, atmosphere did exist during this time period, but it was not breathable. You could not use it as we use it today.]]> 2019-01-21 09:01:35 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322606705 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322610109 The ocean formed approximeatly 3.800 million years ago. You can say 3.8 billion years ago too. 
           So you can basically say that when the Mesproteozoic era existed or when it was that time period, water already existed. Since the mestproteozoic era existed around 1600 million years ago or 1.6 billion years ago.

Since earth didnt look like today, it moved around and there was bigger oceans than now.
Picture of precambrian era:
https://www.google.com/search?q=earth+during+precambrian+era&rlz=1CAQIMT_enSE834&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj6-vCHkpDgAhWsiKYKHS6zDmQQ_AUIDigB&biw=1242&bih=540&safe=active&ssui=on#imgrc=2jsH5ppMTeULdM:

]]> 2019-01-21 09:16:27 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322610109 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322611284 There was a supercontinent named Rodinia that occurred at the same time as the Mesoproteozoic era took time. The rodinia supercontinent did go on after the mesproteozoic era was done, but that doesn't mean that it looked the same. It looked different every other million years. 
          It always formed into a big landscape and then it just broke up together, over and over. Rodinia is believed to have formed about 1 billion years ago (The time where Mesoproteozoic era started to end) and would have covered most of the Earth's existing crust. It is believed that the supercontinent broke up to eight continents about 750 million years ago. 

Before the Rodinia supercontinent occured, there was another supercontinent. That supercontinent is called Columbia supercontinent. 
The supercontinent Columbia broke up in the beginning of this era. After a time supercontinent Rodinia came.

The last super major events that occured was the evolution of sexual reproducion.]]> 2019-01-21 09:21:46 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322611284 k_la_wise_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322646310 You're off to a great start! Keep this box and I will write my feedback here each time I check your work :)]]> 2019-01-21 11:30:06 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322646310 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322648927 There was no dominant species during this era. Right after this era comes the first multicellular life. So to sum it down. In this era there was no dominant species because no "life" had actually formed yet, only modern plants (if that counts) and fungi. At this point they were called small single-celled organisms. ]]> 2019-01-21 11:40:39 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322648927 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649084 There was not so much "geographic landscape" during this era. It was moslty rocks as earth still formed into what it is today. Mountains formed but they breaked down when the landscape moved. There is not much fact about how the landscapes locked, like if there were any trees. 

The only """real""" fact that you can find about the geographic landscape is that there were rocks. Scienctists may have found out that during this era, there was a mountian higher than mount everest, approximetly 9km long. ]]> 2019-01-21 11:41:19 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649084 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649170 Scientist does not know when predators actually came to earth. Scientist have found teeth from about 500 mya,  they are not sure but predators could have existed before the 500 mya mark. 

Base fact. According to biologists  "predation must involve the death of one living thing at the hands (or teeth, or claws) of another". A predator could be a Weasels, hawks, wolves, mountain lions, and grizzly bears. In swedish its called a "rovdjur". e]]> 2019-01-21 11:41:42 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649170 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649224 The fossils in this time period doesnt say much about it. If we refer to the era that was two eras ago, we would have the first/oldest known fossil. I cant find any good pictures of fossils from this era, but they do look pretty simular to the oldest known ones. I mean i can barely tell the difference]]> 2019-01-21 11:41:57 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649224 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649329 During this era there was only fossils. Bacteria hadnt formed and there was only rocks and mountains. I dont know how the enviroment then would change anything now. The only thing that gets on my mind is the rocks. And ofcourse the fossils, not that i know what its used for. ]]> 2019-01-21 11:42:27 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/322649329 teodora_radoi_student_halmstad https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/325908205 here is the link to it]]> 2019-01-30 16:21:17 UTC https://padlet.com/teodora_radoi_student_halmstad/r3w5ennrbzu0/wish/325908205