Day 16

12/5/2013

2 Comments

 
Today we noticed that the Co2 is a little bit lower and the Oxygen is a little higher than it was yesterday. We learned that Secondary Succession happened in our bio-bubble today, because we caused a human disturbance by clearing everything out and starting over. For it to be Primary Succession the ecosystem would have to have no dirt in it at all. There seems to be no crickets left in the bio-bubble as we can see. We think that the toad is eating plants along with the Salamander because they are still very active and seem to be growing every day.

Co2- .99%
Oxygen- 10.88%
Temperature- 70 degrees Fahrenheit
2 Comments
Dr. Cynthia Sanders
12/5/2013 08:21:52 am

Would an ecosystem with no dirt sustain life? I am unsure of your idea of primary and secondary succession. What has caused the change in oxygen and CO2 levels? How will the change in the balance effect life in your bubble?

Reply
Sarah Garner
12/6/2013 01:09:02 am

It would not have life for a while, but then pioneer species such as moss and lichens would start to grow providing a place for small shrubs and trees to grow and the eventually yes a ecosystem with no dirt could sustain life after a while. I think the beans caused the change of Co2 and oxygen in our ecosystem because more grew causing more Co2 to be used and more oxygen to be produced. The change in the Co2 and Oxygen can benefit but also may kill the organisms in our ecosystem.

Reply



Leave a Reply.