Term
| A group of interacting populations occupying the same area at the same time. |
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Definition
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| A position in a food chain or food web that indicates an organism's feeding relationships |
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| A system composed of living organisms and thier physical enviroment. |
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| According to the ten percent rule, how many kilograms of phytoplanton would be needed to produce 10 kilograms of fish that were second-order consumers |
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| An animal that eats both vegetation and other animals |
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| An animal that eats only other animals |
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| An animal that only eats vegetation. |
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| An organism that breaks down dead tissue of other organisms |
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Definition
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| An organism that feeds on bits of decaying material and organic waste. |
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Definition
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Term
| An organism's fitness is measured in terms of: |
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Definition
| How many times its offsprings survive to produce offspring |
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Term
| Descibe the three main types of symbiotic relationships found in nature. |
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Definition
| mutualism, parasitism, commensalism |
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Term
| How can groups of similar species avoid competition? |
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Definition
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| Oysters and other broadcast spawners produce large number of offspring, of which very few survive. However those that do survive usually exhibit a low mortality rate as adults. The type of survivorship curve tht best fits the description is: |
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| The Upside-down jelly fish depends on algae in its body for nutrients. The algae are protected by the jellyfish and supplied with nutrients. This relation ship would be an example of: |
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| The area composed of the water that lies over the continental shelf. |
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Term
The dispersion pattern the frequently results when there is competition among species is:
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Definition
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Term
| The location an organism can be found |
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Definition
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Term
| The most important primary producers in marine ecosystems are: |
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| The region of water column that revieces enough sunlight to power photosythesis. |
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| The regionof water column that recives sunlight but not enough to power photosynthesis. |
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Term
| The role an organism plays in its enviroment |
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Definition
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| The ultimate source of energy for most life in the ocean is: |
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Definition
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| What is the difference between an organisms fundamental niche and realized niche |
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Definition
Fundamental niche is where it could be
Realized niche is where it is because of competition |
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Term
| Why are so many marine organisms ectotherms. |
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Definition
| Ocean envirment is relatively stable |
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Term
| Why are their fewer organisms in the ocean depths? |
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Definition
| Not alot of energy to spread around |
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Term
| Why is energy transfer between trophic levels inefficent? |
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Definition
| Organisms have to perform cullular respiration for basic body function, so energy is lost |
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Term
| a sample of 50 tuna is captured,tagged, and released back into the population. Four weeks later another sample of 50 is taken and 10 of them have tags. Based on this information we would predict the population to be: |
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Definition
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Term
| describe two methods that could be used to determine the size of a population in the wild. |
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Definition
| sampling, mark and recapture |
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| the region of ocean bottom at depths of 4000-6000M |
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Definition
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what are six abiotic factors that affect the distribution of organisms in an ecosystem
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Definition
| Temp, Salinity, Nutrients, Solar Energy, Oxygen, tides, waves etc... |
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Term
| what is the difference between a community and an ecosystem |
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Definition
| ecosystems have abiotic factors |
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Term
| why can't most populations continually grow at an exponential rate |
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Definition
| enviroments can only support so many organisms |
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