Burgess Shale Fauna Essay
Study Guide 1 Geol 105 Spring 2012
Terms and People to know
Amino acids –compound of life- proteins.
Archaea – best candidate for earliest life. Live in extreme environments. BIF –Banded Iron Formation
Mistaken Point- New foundland. Marine environments. Branching structure. fractal body plan
Uniformitarianism- The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the earth to the present time.the laws of nature have not changed in the course of time
C. Lyell –father of modern geology, advocated uniformitarianism approach to study geologic history.
Coelom – hollow body cavity where internal organs can develop.
Trace Fossils-found in Coconino sandstone …show more content…
What is the Mistaken Point fauna? What is the importance of this fauna? the mistaken point fauna lived in deep water, too deep for photosynthesis. Deep water, cold, no sunlight, low oxygen. The earth is just emerging from snowball earth. Live is evolving.
12. What is the snowball earth hypothesis?
13. What phylum is best represented in the Burgess Shale Fauna? Arthropods looks like horseshoe crabs.
14. What predators were in the Burgess Shale Fauna? Opadina, and Anomalocaris Why are predators an important factor for increasing species diversity? (Red Queen Hypothesis) idea that life evolves it adapts to its environment. prey animals evolved dramatic defenses.
15. What types of symmetry are found within metazoans?-bilateral
16. What was Pikaia and what is its importance today?- Pikaia does not have an external skeleton instead it has a thin, gristly rod running the length of its body. It is important because it is thought to be the ancestor of us all. The Pikaia survived the Burgess decimation.
17. What was the importance of the Ediacaran fauna? Metazoan animals related to modern forms. Interpreted fauna as metazoan animals
18. Why do some think there are only three kinds of metazoans? Because we see that some of the animals have no symmetry, bilateral symmetry, and radial
Terms and People to know
Amino acids –compound of life- proteins.
Archaea – best candidate for earliest life. Live in extreme environments. BIF –Banded Iron Formation
Mistaken Point- New foundland. Marine environments. Branching structure. fractal body plan
Uniformitarianism- The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the earth to the present time.the laws of nature have not changed in the course of time
C. Lyell –father of modern geology, advocated uniformitarianism approach to study geologic history.
Coelom – hollow body cavity where internal organs can develop.
Trace Fossils-found in Coconino sandstone …show more content…
What is the Mistaken Point fauna? What is the importance of this fauna? the mistaken point fauna lived in deep water, too deep for photosynthesis. Deep water, cold, no sunlight, low oxygen. The earth is just emerging from snowball earth. Live is evolving.
12. What is the snowball earth hypothesis?
13. What phylum is best represented in the Burgess Shale Fauna? Arthropods looks like horseshoe crabs.
14. What predators were in the Burgess Shale Fauna? Opadina, and Anomalocaris Why are predators an important factor for increasing species diversity? (Red Queen Hypothesis) idea that life evolves it adapts to its environment. prey animals evolved dramatic defenses.
15. What types of symmetry are found within metazoans?-bilateral
16. What was Pikaia and what is its importance today?- Pikaia does not have an external skeleton instead it has a thin, gristly rod running the length of its body. It is important because it is thought to be the ancestor of us all. The Pikaia survived the Burgess decimation.
17. What was the importance of the Ediacaran fauna? Metazoan animals related to modern forms. Interpreted fauna as metazoan animals
18. Why do some think there are only three kinds of metazoans? Because we see that some of the animals have no symmetry, bilateral symmetry, and radial