Term
| How high does the biosphere go up into the air, and how low does it go into the ground? |
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Definition
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Term
| What is the best modern definition for "life"? |
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Definition
-Some level of self reproduction
-Stores information
-Preserved by natural selection |
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Term
| What are the six kingdoms of life? |
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Definition
-Archae
-Protista
-Mamera
-Plant
-Animal
-Fungus |
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Term
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Definition
| potentially interbreeding |
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Term
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Definition
| species in communication, actually interbreeding |
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Term
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Definition
| set of all life in an area |
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Term
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Definition
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Term
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Definition
| self-sustaining part of the ecosphere |
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Term
| Know the main trophic levels in a biotic community (biotic structure) and their subdivisions. There are two main types, and each of these can be further subdivided. |
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Definition
Producers (Autotrophs) -> Photoautotrophs, chemosynthetic autotrophs
Consumers (heterotrophs) -> Primary, secondary, tertiary -> Necrophages (eat dead things) -> Decomposers, scavengers, detritus feeders |
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Term
| Approximately what percent of the biomass of one trophic level is passed on to the next trophic level? |
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Definition
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Term
| What are the non-feeding relationships mentioned in class? |
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Definition
- Competition
- Mutualism
- Symbiosis
- Helotism (slavery)
- Commensalism (+/0)
- Mimickry (Batesian (nasty/harmless), Mullerian (nasty/nasty)) |
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Term
| What is the difference between a habitat and a niche? |
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Definition
habitat - position in physical space
niche - behavioral and dietary position in community (position in behavioral space) |
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Term
| What biological interaction leads to resource partitioning and niche specialization? |
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Definition
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Term
| What is ecological succession, and what is the difference between primary and secondary succession? |
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Definition
Series of life being created/living
primary - starts from zero life
secondary - starts from disaster |
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Term
| What are the principle differences between a pioneer community and a climax community? |
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Definition
Pioneer - focuses on rescources and rapid reproduction
Climax - focuses on sustainability |
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Term
| What abiotic factor is most important in determining the biome of an area, and what is the definition of a biome? |
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Definition
- Climate
- Biome - grouping of related ecosystems |
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Term
| What is the biome relationship to latitude and altitude? |
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Definition
| Change in latitude mimicks change in altitude |
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Term
| What do you call the transitional boundary between two biomes? |
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Definition
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Term
| What are the six most common elements found in organisms, and what is the movement of material between the biospere and the non-living components of the Earth called? |
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Definition
- Carbon > Helium > Oxygen >Nitrogen
> Phosphorous > Sulfer
-Biogeochemical Cycling |
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Term
| What are the four major biogeochemical cycles detailed in class? |
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Definition
- Nitrogen
- Phosphorous
- Sulfur
- Carbon |
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Term
| In the carbon cycle, does the ocean act as a net source of carbon to the atmosphere or a net sink of carbon from the atmosphere? |
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Definition
| Net sink (due to increased atmosperic carbon) |
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Term
| Which element requires bacteria to become avaiable for use by higher organisms? |
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Definition
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Term
| Which major biological element does not have an atmospheric component? |
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Definition
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Term
| Which element's cycling is least understood? |
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Definition
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