Topic 4: Ecology Flashcards
1.Define species, populations, communities and ecosystems.
2.Outline how the distribution of species is affected by limiting factors
3.Compare and contrast autotrophic and heterotrophic nutrition.
4.Outline plant and algal nutrition by looking at trends, patterns, and discrepancies.
5.Classify species as autotrophs, consumers, detritivores or saprotrophs from their mode of nutrition.
6.Test for the association between two species using the chi-squared test with data obtained by quadrat sampling// 7. Recognize and interpret statistical significance.
7.Use a transect to correlate the distribution of plant or animal species with an abiotic variable.
15.Explain energy flow within an ecosystem starting with light energy from the sun.
16.Outline the uses of energy released by respiration.
17.Outline energy losses in ecosystems.
18.Explain how energy flow limits the length of food chains and the biomass of higher trophic levels.
21.Outline how most species occupy different trophic levels in multiple food chains.
25.Compare pyramids of energy from different ecosystems.
33.Outline the role of both aquatic and terrestrial autotrophs in carbon fixation.
34.Outline the release of carbon dioxide from cell respiration.