Chapter 5 test on 12/14/11
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23 terms
Terms | Definitions |
|---|---|
 Phylum | A group of organisms within a kingdom that are similar |
| species | a group of organisms that are similar that can mate and produce offspring |
| Invertebrate | animals without backbones |
| vertebrate | animals with backbones |
| arthropod | animals with jointed legs, a tough outer skeleton, no backbone |
| conifer | a type of vascular plant that reporduces using cones and seeds |
| vascular | plants that have special tubes for carrying food and water to all its parts |
| nonvascular | plants that do not have special tubes for carrying food and water to all its parts |
| dichotomous key | a tool used to identify an unknown organism |
| classify | to put similar things into groups |
| How do scientists classify living things | Into a series of groups: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
| What do scientists use a dichotomous key for | To identify organisms |
| What characteristics are used to classify animals | a)multicellular(more than one cell) b)cannot make their own food c)move about during part or all of their lives |
| Into what two groups are animals divided | vertebrates adn invertebrates |
| What are the five classes of vertebrates | a)fish b)amphibians c)reptiles d)birds e)mammals |
| What are three types of invertebrates discussed in this chapter | a)mollusks b)worms c)arthropods |
| What are the four main groups of plants | a)mosses b)ferns c)conifers d)flowering plans |
| How are plants classified | They make their own food, are vascular or nonvascular and reproduce in a certain way |
| Into what groups are humans classified | Mammels |
| What are distinguishing characteristics of Humans | They feed their young,with milk produced by the female |
| What plants are nonvascular | mossess |
| What plants are vascular | ferns, confers and flowering plants |
| multicellular | more than one cell |
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