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Unit Vier
Unit 4 of AP Bio
| Question | Answer |
|---|---|
| What are important biotic factors that can affect the structure and organization of biological communities? | Predation, competition, and disease |
| Ecology as a discipline does not directly deal with this level of biological organization. | Cellular |
| The biogeographic realms described by Darwin, Wallace, and others are associated with patterns of what? | Continental drift |
| Species transplants are one way of developing mathematical models for what and what? | Distribution and abundance |
| The best explanation for unchecked population growth is that what are too few to slow down population growth? | Predators |
| What ecological unit or relationship is not related to abiotic factors? | Symbiosis |
| In an altitudinal gradient, what would not change in the same way as in a latitudinal gradient? | Day length |
| What is the most important factor affecting the distribution of biomes? | Climate |
| What abiotic factor has the greatest influence on the metabolic rates of plants and animals? | Temperature |
| What becomes the major factor in delimiting biomes as you travel toward the poles? | Temperature |
| What causes Earth's seasons? | The tilt of Earth's axis |
| Generally speaking, deserts are located in places where air masses are usually what? | Falling |
| Polar regions are cooler than the equator because sunlight strikes the poles how? | At an oblique angle |
| In temperate lakes, the surface water is replenished with nutrients during turnovers that occur when? | Fall and spring |
| Through mixing of water in temperate lakes during the spring and fall turnovers is made possible by what? | Changing water temperature profiles |
| The speed with which plants extend their range northward following glacial retreat is best determined by what? | Their seed dispersal rate |
| What zone in an aquatic biome often supports communities of organisms that feed largely on detritus? | Benthic |
| Where would an ecologist find the most phytoplankton in a lake? | Limnetic zone |
| Nutrient-rich agricultural runoff into freshwater ecosystems can result in what? | Cultural eutrophication |
| Where would you be most likely to find plants known as hydrophytes? | A bog |
| Phytoplankton is most frequently found in what zone? | Photic zone |
| What marine zone would have the lowest rates of primary productivity? | Abyssal zone |
| 2 plant species live in the same biome but on different continents. Although these 2 are not closely related, they may seem similar as a result of what? | Convergent evolution |
| An area in which different terrestrial biomes grade into each other is known as a what? | Ecotone |
| What terrestrial biomes are adapted to frequent fires? | Savannas, chaparral, and temperate grasslands |
| Fire suppression by humans can change what within biological communities? | Species composition |
| What biome is able to support many large animals despite receiving moderate amounts of rainfall? | Savanna |
| Tropical grasslands with scattered trees are also known as what? | Savannas |
| The growing season would generally be shortest in what biome? | Taiga |
| What type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers? | Chaparral |
| Animals tend to maximize their energy intake-to-expenditure ratio. What is this behavior called? | Optimal foraging |
Created by:
katattak