BIO 1400 final exam questions with answers

BIO 1400 final exam questions with
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answers


Trophic level 1 - CORRECT ANSWERS ✔✔producers: plants
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Trophic level 2 - CORRECT ANSWERS ✔✔primary consumers: ants
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Trophic level 3 - CORRECT ANSWERS ✔✔secondary consumers:
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rats


Trophic level 4 - CORRECT ANSWERS ✔✔Tertiary Consumers.
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Examples: eagles, coyotes, harbor seals |\ |\ |\ |\




Energy flow - CORRECT ANSWERS ✔✔energy enters as sunlight
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then transferred to plants, animals
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nutrient cycling - CORRECT ANSWERS ✔✔The circulation of
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chemicals necessary for life, from the environment (mostly from
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soil and water) through organisms and back to the environment.
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tropical rainforest - CORRECT ANSWERS ✔✔- TEMP: warm with
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little year-round variation
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PRECIPITATION: wet year-round |\ |\




- vertical stratification provides many different habitats
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- BIOLOGY: highest biodiversity on earth
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, - VEG: trees with network of vines and epiphytes (grow on other
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plants)
- ANIMALS: insects; pollinators and seed dispersers
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- SOILS: low in nutrients, high decomposition rates
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- HUMAN BENEFITS: medicines, foods, oxygen
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- HUMAN EFFECTS:
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vertical stratification - CORRECT ANSWERS ✔✔the layering of an
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ecosystem into bands based upon depth or elevation
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Savannas - CORRECT ANSWERS ✔✔- grasslands with scattered
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trees
- dry and warm; wet and dry seasons
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- ANIMALS: mobile and migratory; responding to viability in
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rainfall and food availability
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- This biome is home to early hominids
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- HUMAN EFFECTS: logging, over-gazing, development
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Deserts - CORRECT ANSWERS ✔✔- the direst biome
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- hot and cold
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- organisms adapted for water conservation or drought avoidance
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- desertification is a growing environment problem
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Desertification - CORRECT ANSWERS ✔✔the process by which |\ |\ |\ |\ |\ |\ |\ |\


fertile land becomes desert, typically as a result of drought,
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deforestation, or inappropriate agriculture. |\ |\ |\