Food chains, food webs and ecological pyramids are models to show feeding relationships in ecosystems. Interactions between organisms and their environment results in transfers and transformations of energy and matter.
|1||Respiration and photosynthesis|
|2||Food chains, food webs and feeding relationships|
|4||Productivity pyramids and limitations to food chain length|
|5||Bioaccumulation and biomagnification|
- Construct/modify a feeding relationship model using given data e.g. Using the Lotka-Volterra equations (information and model here).
“DDT can accumulate through the food chain in increasing concentrations as a consequence of biomagnification. Compare the attitudes that an ecocentrist and an anthropocentrist may have on the use of DDT.” [9 marks]
The essay should marked using the Paper 2, Section B essay markbands.
Google Docs Version
Open the link and make a copy to your own drive. The doc can easily be shared as an “Assignment” on Google Classroom.
A markbands rubric designed for Google Classroom is available here.