Biology Class Presentation Questions CH 4 Ecosystems ...
Biology Class Presentation Questions CH 4 Ecosystems & Communities
CH 4-1 The Role Of Climate
1. _____________-the average year after year conditions of temperature & precipitation in a particular region.
2. What factors (other than precipitation & temperature) contribute to Earth’s climate? (list at least 3);
3. Define Greenhouse Effect.
4. _________________ on Earth remain with in suitable range for life as we know it because of the Greenhouse Effect.
5. Earth’s natural insulating blanket is the ___________________.
6. The greenhouse effect occurs when carbon dioxide & other gases prevent _________________ energy from leaving the atmosphere.
7. The amount, intensity, & duration of sunlight striking Earth vary with __________________.
8. The loss of heat to space is slowed by _______________________ gases.
9. Earth has 3 main climate zones because of differences in latitude & ____________ of _________________.
10. List & describe the three main climate zones? Which zone do you live in?
4-2 What Shapes An Ecosystem?
1. Define abiotic & biotic. Give an example of each.
2. _______________-the way an organism uses the range of physical & biological conditions in which it lives (Organism’s job);
3. Give an example of a predator’s job in the food web…list several aspects of it’s job.
4. What is the competitive exclusion principle?
5. In reference to warbler bird species, how can several species of warblers live in the same spruce tree? (you may want to refer to pg 92 of your text).
6. Define symbiosis.
7. List & define the 3 types of symbiosis.
8. Define ecological succession.
9. What type of succession begins after a lava flow?
10. Define pioneer species.
11. _____________________________succession begins on soil.
12. _____________________________succession begins on newly exposed surfaces.
4-3Biomes
1. Define biome.
2. What identifies a biome?
3. Which biome is characterized by very low temperatures, very little precipitation & permafrost?
4. Which TWO biomes have the LEAST amount of precipitation?
5. Which biome do YOU live in?
6. What does a CLIMATE DIAGRAM GRAPH (Climatogram) tell you?
7. Using your book & the “climatogram” on page 98 Figure 4-10, in New Orleans, which month has the greatest amount of precipitation?
8. Using the climatograms in section 4-3 of your textbook, tell how the climatorgrams for Belem, Brazil & Yuma, Arizona are alike.
How are they different? Which TWO BIOMES were you comparing?
9. Compare & contrast Barrow, Alaska climatogram with Yuma, Arizona.
Which two biomes are you comparing?
4-4 Aquatic Ecosystems
1. How are aquatic ecosystems classified?
2. List three factors that determines the chemistry of an ecosystem.
3. What are the two types of freshwater ecosystems? List examples of each.
4. Define PLANKTON & give examples of each.
5. Define wetland.
6. Why are most wetlands considered “productive”?
7. List three types of wetlands.
8. Define Estuary. (Estuaries) & give two examples.
9. ___________________-the well-lit upper layer of the marine ecosystem where photosynthesis takes place. The layer below this zone is permanently dark and is called the ___________________ zone.
10. In addition to being classified according to penetration of light, the ocean zones are also based on ___________________ & ____________________ from shore. This gives the___________________________zone, _________________ ocean zone & the ____________________ ocean zone.
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