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13 Cards in this Set
- Front
- Back
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Why is classification necessary? |
-clearly identify species -study and observe them -organize concentrated conservation efforts -for making predictions about organisms of the same type |
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What is the use of a dichotomous key |
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world Keys consist of a series of choices that lead the user to the correct name of a given item. |
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Name the five kingdoms and describe their distinguishing characteristics |
Animals Multicellular, no cell wall or chlorophyll, heterotrophs. Plants Multicellular, have cell walls and chlorophyll, autotrophic feeders. Fungi Multicellular, have cell walls, do not have chlorophyll, saprophytic feeders. Protoctists Usually unicellular, with a nucleus Bacteria Unicellular, with no nucleus |
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What is the difference between a vertebrate animal and an invertebrate animal |
-Animals with/without a backbone |
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Describe the main characteristics of annelids |
8)Has no true respiratory organs. 7)Has a true closed circulatory system. 4)Body possesses a through gut with mouth and anus. like worms |
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Describe the main characteristics of mollusks |
Unsegmented soft body with bilateral symmetry. Presence of an internal or external shell. |
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Describe the main characteristics of arthropods |
They posses a fibrous exoskeleton that must be shed during growth. The segmented bodies are arranged into regions, (e.g., head, thorax, abdomen). |
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Name some of the characteristics of the five classes of vertebrates. |
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What is conservation? Why and how to practice conservation of species |
Each extinction diminishes the diversity and complexity of life on earth. Whole ecosystems could fail. When a species is lost, the benefits it might have provided are gone forever. reducing energy use, no pesticides, no foreign plants |
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What is the basic definition of photosynthesis |
Photosynthesis is the process by which plants and other things make food. It is a chemical process that uses sunlight to turn carbon dioxide into sugars the cell can use as energy. |
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Write the word and symbol equations for photosynthesis |
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What factors affect photosynthesis? |
temperature, light, and carbon dioxide |
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understand a quantitative method of investigating photosynthesis |
change one of the independent variables affecting photosynthesis |
