DOC PREVIEW
UT Knoxville BIOL 130 - Energy Food Webs
Type Lecture Note
Pages 2

This preview shows page 1 out of 2 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

Systems: living systems are interconnected, and they interact and influence each other on multiple levelsTransformations of Energy and Matter: all livingEnvironment:Abiotic- nonliving componentsBiotic- living componentsAbiotic and biotic factors are connected via the flow ofAll organisms need energy source to produce ATP (energy molecule)Net Primary Production (NPP):Biomass that is the foundation of all food chainsTrophic Levels:Group of organisms that obtain energy from the same sourceOften see a limit to how many levels we have in the food chainBecause energy (biomass) decreases with each trophic levelGeneral rule: 10% of energy/biomass transferred from one trophic level to the nextEnergy transfer: primary producer to primary consumerEnergy lost from respiration, not consumed biomass, fecesUnconsumed biomass and feces eaten by detritusDuring Carboniferous period (360-300 mya) much of the NPP was not consumed or decomposed; was buried and later formed fossil fuelsEfficiency for using plant energy varies between consumersEctotherm- uses outside heat to support their bodySmall mammals less efficient than larger mammalsProduction Efficiency: proportion of assimilated biomass used to produce new consumer biomassAll living systems are made of structural components; the characteristics of these structures determine how the system functionsSystem: ecosystemStructures: organisms at different trophic levelsBIOL 130 1st Edition Lecture 8Outline of Last Lecture I. Species InteractionsOutline of Current Lecture II. SystemsIII. EnvironmentIV. Trophic LevelsV. Energy TransferCurrent LectureThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Systems: living systems are interconnected, and they interact and influence each other on multiple levelsTransformations of Energy and Matter: all living-Environment:- Abiotic- nonliving components- Biotic- living components\- Abiotic and biotic factors are connected via the flow of - All organisms need energy source to produce ATP (energy molecule)Net Primary Production (NPP):- Biomass that is the foundation of all food chainsTrophic Levels:- Group of organisms that obtain energy from the same source- Often see a limit to how many levels we have in the food chain- Because energy (biomass) decreases with each trophic level- General rule: 10% of energy/biomass transferred from one trophic level to the next Energy transfer: primary producer to primary consumer- Energy lost from respiration, not consumed biomass, feces- Unconsumed biomass and feces eaten by detritus- During Carboniferous period (360-300 mya) much of the NPP was not consumed or decomposed; was buried and later formed fossil fuels- Efficiency for using plant energy varies between consumers - Ectotherm- uses outside heat to support their body- Small mammals less efficient than larger mammalsProduction Efficiency: proportion of assimilated biomass used to produce newconsumer biomass- All living systems are made of structural components; the characteristics of these structures determine how the system functions- System: ecosystem- Structures: organisms at different trophic


View Full Document

UT Knoxville BIOL 130 - Energy Food Webs

Type: Lecture Note
Pages: 2
Download Energy Food Webs
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Energy Food Webs and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Energy Food Webs 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?