BIO120H1 : COYNE CH2
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1. Features in two different groups of organisms that are sharedbecause they were inherited from a common ancestor are examples of:(One word. Case does not matter, but you must spell it exactlycorrect.) ____________
2. A phylogeny is:
| A. | A diagram showing the relationship between groups oforganisms | |
| B. | A list of the evolutionary innovations possessed by a singlegroup of organisms | |
| C. | A diagram of all the known ancestors in the fossil record for asingle species living today | |
| D. | A unit of time used in geology |
3.
Homoplasy refers to:
| A. | The tendency of closely related organisms to interbreed witheach other | |
| B. | Features that ancestors had that were later lost by theirdescendants | |
| C. | Features in different groups of organisms that are not inheritedfrom a common ancestor | |
| D. | Features that appear only in a single group of organisms |
4.
Archaeopteryx lithographica and Tiktaalikroseae are examples of:
| A. | Fossils that show early forms of multicellular life in thePrecambrian | |
| B. | Transitional fossils that document the origin of evolutionaryinnovations | |
| C. | Index fossils that are used to identify the age of rocks | |
| D. | Living species that retain primitive characteristics |
