BIOBEYOND UNIT 4 WRITTEN IN STONE
QUESTIONS AND CORRECT ANSWERS
According to the video you just watched, select which answer describes when the
Ediacaran Period took place? - ANSWER Just after the worldwide glaciation.
Select which statement she makes regarding the fossils from the choices below. -
ANSWER The fossils represent the first example of large organisms in the fossil record.
The first evidence of life on Earth was approximately 23 times earlier than when the
Stegosaurus lived. If you use the same logic from above, approximately how far back in
time do you think the first evidence of life on Earth would have been? - ANSWER 3.5
billion years ago
Select what process Dr. Cohen states that these cyanobacteria can do. - ANSWER
Photosynthesis
Which way do these rocks appear to be orientated? - ANSWER Horizontal like stacked
pancakes
Now, make a educated guess regarding what you think the basic rock type is that you
are observing here? - ANSWER Sedimentary rocks
Areas with the highest current or wave energy - ANSWER - Conglomerate
- Very large rounded particles or clasts
Areas with moderate to high current or wave energy - ANSWER - Sandstone
- Smaller particles that can been seen with the human eye
Areas away from shore in deep or quiet water areas - ANSWER - Shale
- Particles too small to be seen with the human eye
Select what process he states was the best solution. - ANSWER Trace the top on
transparent paper then flip them
According to the video you just watched on ripple marks, Dr. Gehling states that when
ripple marks are very tight and close together, that tends to suggest what type of water?
- ANSWER Shallow water
Select why the surface of the sandstone has this red layer? - ANSWER Due to the
mineral crust of the dead organisms.
QUESTIONS AND CORRECT ANSWERS
According to the video you just watched, select which answer describes when the
Ediacaran Period took place? - ANSWER Just after the worldwide glaciation.
Select which statement she makes regarding the fossils from the choices below. -
ANSWER The fossils represent the first example of large organisms in the fossil record.
The first evidence of life on Earth was approximately 23 times earlier than when the
Stegosaurus lived. If you use the same logic from above, approximately how far back in
time do you think the first evidence of life on Earth would have been? - ANSWER 3.5
billion years ago
Select what process Dr. Cohen states that these cyanobacteria can do. - ANSWER
Photosynthesis
Which way do these rocks appear to be orientated? - ANSWER Horizontal like stacked
pancakes
Now, make a educated guess regarding what you think the basic rock type is that you
are observing here? - ANSWER Sedimentary rocks
Areas with the highest current or wave energy - ANSWER - Conglomerate
- Very large rounded particles or clasts
Areas with moderate to high current or wave energy - ANSWER - Sandstone
- Smaller particles that can been seen with the human eye
Areas away from shore in deep or quiet water areas - ANSWER - Shale
- Particles too small to be seen with the human eye
Select what process he states was the best solution. - ANSWER Trace the top on
transparent paper then flip them
According to the video you just watched on ripple marks, Dr. Gehling states that when
ripple marks are very tight and close together, that tends to suggest what type of water?
- ANSWER Shallow water
Select why the surface of the sandstone has this red layer? - ANSWER Due to the
mineral crust of the dead organisms.
