Term
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Definition
| major type of terrestrial climax communities with wide geographic distribution. Usually defined by undisturbed natural plant communities. |
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| Two main non-biological factors determining biomes: |
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Definition
| Temperature, Precipitation |
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Term
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Definition
| Tundra, Tropical Rainforest, Savannah, Desert, Temperate Forest, Taiga |
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Term
| What are some characteristics of a Tropical Rainforest? |
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Definition
| *located near equator where temperature is relatively warm and constant * most areas get over 200 cm annual rainfall *soil is nutrient poor * very high species diversity/biodiversity |
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Term
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Definition
| The interaction of the organism (biotic) and the environment (abiotic) |
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Definition
| *all the organisms (biotic factors) in a given area along with abiotic factors |
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| What are examples of abiotic factors? |
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Definition
| Temperature, water, light, soil, natural disasters |
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Term
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Definition
| a series of regular, predictable changes in the structure of a community over time (organisms change their surroundings and make the enviro. suitable for other kinds of organisms) |
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Definition
| stable, long-lasting community, primarily determined by climate |
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Term
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Definition
| begins with bare mineral surfaces or water and total lack of organisms |
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Term
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Definition
| begins with disturbance of an existing ecosystem (flood or fire) |
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| How does energy enter an ecosystem? |
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Definition
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| what converts the energy once it first enters an ecosystem? |
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Definition
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| who consumes the energy that enters an ecosystem after plants convert it? |
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Definition
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Term
| What waste product is released after the consumption of energy? |
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Definition
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Term
| What is the first law of thermodynamics? |
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Definition
| energy can't be created or destroyed |
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Term
| What is the second law of thermodynamics? |
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Definition
| Energy transfer can only go one deirection and it becomes increasingly useless as time goes on. (body head is "wasted" energy) |
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Term
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Definition
| passage of energy from one trophic level to the next due to one organism consuming another |
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Term
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Definition
| series of multiple food chains (a single predator can have multiple prey species at the same time) |
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Term
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Definition
| Converting glucose (organic molecules) to ATP energy in the cell |
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Term
| As we go up in the levels on the energy pyramid productivity decreases by |
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Definition
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Term
| As we go up in levels on the energy pyramid productivity decreasesby 90% and only ______% of energy is passed on |
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Definition
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Definition
| path of substances from the nonliving environment to living organisms and then back to the nonliving environment |
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| The body of a mammal is made up of at least ___% water. |
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Definition
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Term
| All chemical reactions inside an organisms require the presence of ______ |
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Definition
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Term
| Two activities caused significant changes in carbon cycle: |
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Definition
| Burning fossil fuels, converting forests to agricultural land |
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Term
| Fossil fuel burning also increased amount of _________ available to plants |
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Definition
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Term
| What does fertilizer carried into aquatic ecosystems do? |
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Definition
| increase aquatic plant growth rate...lowered oxygen concentrations |
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Term
[image]
What processes in this cycle return CO2 to the atmosphere |
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Definition
cellular respiration, combustion
decomposition/decay |
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Term
[image]
What cycle is represented here? |
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Definition
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Term
[image]
What can remove CO2 from the air? |
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Definition
plants/photosynthesis
oceans store CO2 |
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Term
[image]
What organisms can take the Nitrogen out of the atmosphere? |
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Definition
| denitrifying bacteria only |
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Term
[image]
What product do the bacteria make that the plants can use for their proteins? |
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Definition
| Nitrates. They take in the nitrates during assimilation. |
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Term
[image]
What cycle is this? |
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Definition
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Term
[image]
What cycle is this? |
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Definition
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Term
[image]
How is water returned to the atmosphere> |
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Definition
| evaporation and transpiration |
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Term
[image]
What cycle is this? |
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Definition
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Definition
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Term
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Definition
| Population Changes and Carrying Capacity |
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Term
| One organism benefits and one is not harmed or benefited |
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Definition
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Term
| Both organisms benefit in the relationship |
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Definition
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Term
| One organism benefits and one is harmed. |
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Definition
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Term
| The role or function an organism has in an ecosystem. It's "specialty" |
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Definition
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