Term
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Definition
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Definition
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Definition
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Term
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Definition
| Alternates between dry and wet |
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Term
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Definition
| Supports large level of biodiversity, Sensitive to pollution, temperature and disturbances |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Definition
Winter: High Oxygen levels
Spring,Fall: Mixing
Summer: High Oxygen Levels, nutrients |
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Term
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Definition
| High Biodiversity, important breeding and migration sites, purify water, store flood water |
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Term
| Demographic Factors Detemining Pop. Size |
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Definition
| Birth rate, Death rate, Immigration, Emigration |
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Term
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Definition
| Number of female offspring produced by each female |
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Term
| Per-Capita rate of increase |
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Definition
| rate at which population increases |
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Term
| Per-Capita rate of increase |
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Definition
| rate at which population increases |
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Term
| Environmental factors that resrict pop growth |
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Definition
| aval. for food and resources, Competition within species, Interactions between species |
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Term
| Environmental factors that restrict pop size |
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Definition
| Aval. of food and resources, Competition within species, Interaction between species |
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Term
| (per capita rate of increase) r=??? |
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Definition
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Term
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Definition
| Carrying capacity-the maximum number of organisms an ecosystem can support on a sustained basis. |
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Term
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Definition
A biological community is all of the
populations of organisms living together and potentially interacting in a particular area |
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Term
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Definition
variety of different kinds
of organisms |
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Term
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Definition
| they must encounter the right host species or they can't reproduce |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
If one species is better adapted to an
environment than a competing species, eventually the first species will drive the second species out of that environment |
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Term
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Definition
| can live in the same area as another species using the same resources, but use these at a different time |
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Term
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Definition
| organisms are adapted to living in different locations where they can survive better than other species |
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Term
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Definition
| transfers energy for one trophic level to the next, maintaining pop, form of consumption. |
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Term
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Definition
| occurs when predators evolve to catch prey better, and prey evolve to avoid being caught |
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Term
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Definition
| harmless mimics dangerous |
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Term
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Definition
| multiple dangerous species mimic each other |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| convert kinetic energy (solar) into potential energy (chemical) |
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Term
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Definition
| convert this potential energy back into kinetic energy (movement and heat) |
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Term
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Definition
| flow of energy through communities |
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Term
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Definition
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Term
| Average net primary productivity |
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Definition
| the amount of energy accumulated by producers (typically expressed as grams of organic carbon / m2 / year) during photosynthesis in a region |
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Term
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Definition
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Term
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Definition
| Live off the wastes and dead remains of other organisms |
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Term
| 1st law of thermodynamics |
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Definition
| energy can change forms, but cannot be created or destroyed |
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Term
| 2nd law of thermodynamics |
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Definition
On average only 10% of the energy in
one trophic level becomes incorporated
into the next trophic level |
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Term
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Definition
The increasing accumulation of toxic
chemicals in the higher trophic levels |
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Term
| HIPPO (human threats to biodiversity) |
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Definition
– Habitat destruction
– Invasive species
– Population growth (human)
– Pollution
– Overharvesting |
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Term
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Definition
Food (80,000 edible wild plant species can be used by humans)
Medicine (More than half of our prescriptions have natural products) |
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Term
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Definition
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Term
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Definition
| Electrons found in the outermost shell |
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Term
| How does water get to leaves at the top of a tree? |
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Definition
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Term
How can some insects walk across
the water? |
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Definition
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Term
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Definition
| Polar regions of some molecules are also soluble in water |
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Term
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Definition
| Non-polar, non-ionic substances |
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Term
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Definition
| Polar regions of some molecules are also soluble in water |
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Term
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Definition
| Dissociates in water to increase H+ concentration |
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Term
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Definition
| Combines with H+ when dissolved in water |
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Term
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Definition
| Sulfur dioxide (SO2) and nitric oxides (NOX) react with water to form sulfuric and nitric acids. |
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Term
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Definition
variable that researcher
varies |
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Term
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Definition
| variable that is measured |
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Term
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Definition
| variable that is measured |
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Term
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Definition
Low dissolved oxygen (DO)
concentration (< 2 mg L-1)
–Usually only affects bottom
waters |
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Term
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Definition
| A natural process in which years of high productivity can change the structure and function of an aquatic system |
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