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chap 9 sec 1
Classification: sorting it all out
| Question | Answer |
|---|---|
| What are three questions that classifying organisms can help answer? | How many species? What are the characteristics of each species? What are the relationship between each species? |
| Who is Carolus Linnaeus? | He is a Swedish scientist, who found taxonomy. Carolus Linnaeus classified more than 7,000 species of plants. He also attempted to |
| What did Carolus Linnaeus do? | He was a 18th century taxonomists. Taxonomy: the science of describing, naming, and classifying organisms. Carolus Linnaeus classified organisms by their structure and shape. He also developed naming system which is still used today. |
| what did early taxonomists do? | 2,000 years ago, Aristotle was the first taxonomist. Aristotle also divided organisms into plants and animals. He subdivided them by their habitat---land, or air dwellers. Aristotle also classified everything he saw. |
| How is the classification today? | taxonomists use an eight-level system to classify living things based on shared characteristics. |
| Organisms are thought to be closely relate when? | When they have many characteristics in common. |
| what are branching diagrams? | Branching diagram shows the similarities and differences between animals. |
| What are the eight levels of characteristics in order? | 1. Domain 2. Kingdom 3. Phylum 4. Class 5. Order 6. Family 7. Genus 8. Species |
| What are scientific names | names giving to organisms based on their classification. |
| What names was Carolus Linnaeus called? | He was called the "Father of Taxonomy." Carolus Linnaeus developed the modern naming system known as binomial nomenclature. Two-word name [Genus & species] |
| What is the Felis Lynx? | LYNX |
| What is a Hippopotamus amphibious? | Hippopotamus |
| What are the two parts of a scientific name? | First part is Genus (capital letter), second part is specific (not capital letter) |
| Today what do scientists use to confirm evolutionary relationships and classification? | DNA |
| What is classification? | putting things into orderly groups based on similar characteristics. |
| Why Classify? | to make sense and order of the many kinds of living things in the world. Classifying also helps them answer important questions. It determines if it is safe to eat. |
| What is taxonomy? | the science of describing, naming, and classifying organisms. |
| What are taxonomists? | scientists that identify and name organisms. |
| Before the 1600's how did scientist classify organisms? | many scientist divided organisms into two groups: plants and animals. |
| In the 1700's how did they classify living things? | Carolus Linnaeus classified living things based on shape and structure |
| What are domains? | the largest and most general group. Every living thing is classified into one of three domains. |
| Why are scientific names important? | because it makes it easier to identify the many different species. Each is unique with it's own specific name and it identifies it's species. All will know which organism it is based on it's scientific name. |
| What is Binomial nomenclature? | a system used to name an organism. It is a two part name- the genus then species. Genus is first and capitalized. Both words are written in latin or greek and underlined or italicized. |
| What is a dichotomous key? | a chart with questions that is used to identify scientific names and that uses pairs of descriptive statements. By working through the statements in the key in order, you can identify the organism. |
| Why does the classification system continue to change? | because when scientists discover new organisms they may not fit into an existing category. |
Created by:
sydney313