(c) According to the endosymbiotic theory, some organelles ...
Earth Origins Free Response
1. Human Evolution: Ape to Man Documentary.
2. Construct and Interpret Phylogenic Trees.
3. (a) List and briefly describe the conditions on early Earth that made the origin on life possible.
(b) What does the Four-Stage Hypothesis for the Origin of Life propose about the creation of life?
(c) Describe the contributions that A. I. Oparin, J. B. S. Haldane, and Stanley Miller made toward
developing a model for the abiotic synthesis of organic molecules.
4. Scientists recently have proposed a reorganization of the phylogenetic system of classification to include the Domain, a new taxonomic category higher (more inclusive) than the Kingdom category, as shown in the following diagram.
Universal Ancestor
Domain Archaea Domain Bacteria Domain Eukarya
(Archaebacteria) (Eubacteria) (Eukaryotes)
(a) Describe how this classification scheme presents different conclusions about the relationships among living organisms than those presented by the previous five-kingdom system of classification.
(b) Describe three kinds of evidence that were used to develop the taxonomic scheme above, and
explain how this evidence was used.
(The evidence may be structural, physiological, molecular, and/or genetic.)
5. (a) Explain the endosymbiotic theory and discuss (in detail) three observations that support it.
(b) Relate this theory to Darwin’s phrase, “descent with modification.”
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