Exam (elaborations)
BioBeyond unit 4- First signatures of life fully solved
- Course
- Institution
BioBeyond unit 4- First signatures of life fully solved
[Show more]
Content preview
BioBeyond unit 4- First signatures of lifeFrom the video, what do scientists use to determine the age of these rock layers exposed in the
Australian desert? - correct answer ✔✔Tiny mineral grains in the rock
Let's take a moment to review what you observed at Nilpena. The organisms you observed represented:
- correct answer ✔✔The rise of the oldest complex organisms
If life was microscopic, what kind of evidence would be the easiest to look for while observing the rock
to indicate something once lived here? - correct answer ✔✔Indirect
- correct answer ✔✔click on image 2 or 3
What characteristics could you use to identify more of these structures? The structure has been outlined
for you and you can get a closer look in the gigapan image (magnifying glass icon) if necessary. - correct
answer ✔✔- Tiny laminations in the layers
- A foamy texture within the rock
- Appears eroded or a deeper cut in the rock
Here you see all of the observations that have been collected from this field site. Using your new skills to
identify possible signs of life, identify the images that could possibly contain these signs of life based on
visual observations. Click "Next" once you've made your selections. - correct answer ✔✔choose all 6
Below you see all of the items that have been collected from this field site. Identify the structures that
could possibly be signs of life based on visual observation. - correct answer ✔✔- image 2
- image 4
- image 6
- image 8
Some of these images are clear examples. At least one is a less clear example and may have surprised
you. - correct answer ✔✔image one
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now