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Bio Ch 19 Unit Test
Biology Chapter 19 Unit Test (30)
| Question | Answer |
|---|---|
| What is thought to be true about the three domains of living things? | They diverged form a common ancestor before the evolution of the main groups of eukaryotes. |
| What does a cladistic analysis show about organisms? | The relative degrees of relatedness among lineages. |
| According to the rules of binomial nomenclature, which of the terms is capitalized? | The genus name only. |
| How do binomial or two-part names compare with early versions of scientific names? | They tend to be shorter. |
| The second part of a scientific name is unique to each___. | Species in its genus. |
| To be useful a scientific name has to refer to___. | A single species. |
| The domain that contains unicellular organisms that live in extreme environments is___. | Archaea |
| Which kingdom contains heterotrophs with cell walls of chitin? | Fungi |
| At any level of organization groups that have biological meaning are referred to as___. | Taxa |
| What kind of analysis focuses on the order in which derived characters appeared in organisms? | Cladistic Analysis |
| Each node on a cladogram represents___. | The last point at which two groups shared a common ancestor. |
| Which are the two highest level taxa in the linnaean system? | Phylum and Kingdom |
| The three domain system recognizes fundamental differences between two groups of___. | Prokaryotes |
| Traditional classifications tended to take into account primarily___. | Visible similarities and differences. |
| The only natural taxa in the linnaean system is the___. | Species |
| The domain that corresponds to the kingdom eubacteria is___. | Bacteria |
| The two domains composed of only unicellular organisms are___. | Arca and Bacteria |
| Often the second part of a scientific name is___. | A description of a trait or habitat. |
| Agencies is composed of a number of simiar___. | Species |
| The grouping of organisms based on their common descent is called___. | Evolutionary Classification |
| For many species there are often regional differences in their___. | Common Names |
| The three domain system arose when scientists found that eubacteria and archaebacteria were more___. | Dissimilar than scientists thought. |
| One goal of scientists is to assign every organism a universally accepted name according to the system known as___. | Binomial Nomenclature |
| Which of the following is a correct explanation of a derived characters. | The presence of hair is a derived characters of mammals because all mammals have hair and no mammals other than mammals have it. |
| Animals that are warm blooded have body hair and produce milkk for their young are a group in the class___. | Mammalia |
| In the lanaisis time all living things were grouped into two kingdoms, later there were five kingdoms and now we have six kingdoms. What is the main reason for this increase in the number of kingdoms? | As scientists learned more about genetics and biochemistry some organisms were moved out of existing kingdoms and into new ones. |
| All organisms in a kingdom protista, planta, fungi, and animalia are___. | Eukaryotes |
| What do all organisms have in common? | They all use DNA to pass on information. |
| What is true about dissimilar organisms such as a cow and a yeast. | Their degree of relatedness can be estimated form their genes. |
| Based on their names you know that baboons papio annubis and papio cynocephalus do not belong to the same___. | Species |
Created by:
P.V.A.