Lesson 6 Homework Questions.docx - Lesson 6 Homework Questions Instructions Answer each of the following questions Your responses can be short answer

Lesson 6 Homework Questions.docx - Lesson 6 Homework...

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Lesson 6 Homework Questions Instructions: Answer each of the following questions. Your responses can be short answer, short essay, or a list -- just be sure to answer each question completely. Ch. 11: 1. What does the name of a biome tell you about the landscapes of that area?Biome names highlight the dominant kind of vegetation present. 2. Explain the difference between an annual plant and a perennial plant.Annual plants die off during the winter or dry season, leave seeds, and then germinate wheneverthe conditions are favorable again; perennial plants live through weather and environmentalfluctuations on an ongoing basis. 3. Contrast evergreen trees and deciduous trees. Evergreen trees are fully leaved at all times, whereas deciduous trees lose their leaves each year during the cold or dry season. 4. How are xerophytic adaptations different from hygrophytic adaptations? Xerophytic adaptations allow plants to survive dry conditions, whereas hygrophytic adaptations allow plants to survive in wet, terrestrial environments. 5. Explain the concept of climax vegetation.Climax vegetation refers to a stable association of plants that tends to change little over time--such plants can be thought of as representing "optimal" vegetation for that environment. 6. What environmental factors determine the tree line for a location?The upper treeline for a location is generally determined by a limiting low summer temperatureand to a lesser extent the availability of moisture. 7. Which major groups of animals are endothermic, and what are the advantages of this for a species? Mammals and birds are endothermic; this allows them to maintain a constant body temperature, even in harshly cold environments. 8. What advantage is there for an animal to hibernate during the winter?Hibernation during the winter allows animals to survive a harsh winter without the need to findfood. 9. Describe and explain one kind of adaptation animals have in deserts.Many desert animals are nocturnal, sparing them the need to be out during the hottest part of theday; some desert animals can delay reproduction until conditions are favorable.
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  • Winter '11
  • drmccalister
  • Biology

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