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Biology Chap 4
| Question | Answer |
|---|---|
| What factors contribute to the earth's climate? | Latitude, transport of heat by winds. The shape and elevation or land masses. |
| What is the greenhouse effect? | natural phenomenon that maintains the earths temp range |
| What causes warm air to rise and cool air to sink? | global wind patterns |
| What is a niche? | range of physical and biological conditions in which an organism lives and the way it needs to survive and reproduce ... the way it gets its food to eat |
| waht are some biological aspects of a niche? | Biotic factors it requires for survival |
| Explain how different niches can be in the same habitat? | as long as 2 niches don't overlap and there's not direct competition, it can happen |
| What is the difference between weather and climate? | Climate is the average conditions of the atmosphere in a particular area - yearly. Weather is day to day conditions. |
| what is a habitat? | Where an organism lives. competitive exclusion principle. No 2 species can occupy the same niche in the same habitat at the same time. |
| What is the difference between predation and herbivory? | predation - predator and prey ex... animals - lion eats gazelle - animals feed on plants / herbivory |
| Explain the predator / prey relationship. | Predator - prey - hunter - hunted |
| What is the difference between mutualism, parasitism and commensalism | Mutualism, both animals benefit-symbiotic relationship, Parasitism, one aminals benefits and other is harmed - tick on dog, Commensalism, one animals benefits and other is unaffected - neutral |
| What is the differnce between primary and secondary succession? What can cause them? | primary happens fast- recovery slow- begins on a completly new surface. Secondary - fast recovery - begins on soil |
| What factors can interrupt the progress of succession? | abiotic factors, biotic factors, natural disturbances |
| What is an example of human caused disturbance? | Forest clearing |
| Which 2 biomes have the least precipitation? | tundra and dessert |
| Describe the Boreal forest biome | Long, cold winters - short summers. Mainly coniferous trees |
| What 2 landmasses are not a major biome? | Polar ice caps - Mountain ranges |
| Are the north and south poles a Biome? | No |
| What aquatic ecosystem would be the warmest? | Coastal ocean system - temperate latitudes |
| What nutrients would be available in a aquatic ecosystem? | Nitrogen, oxygen, and of dissolvable elements |
| What are some examples of freshwater ecosystems? | River, lake, creek, stream |
| What freshwater ecosystems originate underground? | Rivers and streams |
| What is an estuary? | Wetlands that contain a mixture of salt and fresh water |
| What makes estuaries unique? | Because there are a lot of fish that are commercially important to buy and sell. A lot of biomass - not a large variety of species in general |
| What is a photic zone? | 200 meters deep - light penetrates most living things |
| Describe the open ocean. | Has low nutrient level, organisms are exposed to frigid temp and total darkness, most of the photic synthetic activity occurs in the open ocean in the photic zone. |
| Be able to completely describe one biome. |
Created by:
keadcock3
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