Science 10 - Chapter2

[object Object],[object Object],[object Object],[object Object],[object Object]

Interactions in Ecosystems 2 ,[object Object],[object Object]

Make Yourself a Venn Diagram with the following Terms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Biosphere ,[object Object]

Biotic and Abiotic Factors in Ecosystems ,[object Object],[object Object],[object Object],[object Object],2.1 VOCABULARY ecology organism habitat population community ecosystem biosphere biotic factor abiotic factor dynamic equilibrium limiting factor

Limiting Factors ,[object Object]

Answers ,[object Object],[object Object],[object Object]

2) From the previous article “Yellow Perch in Lake Winnipeg”, identify and describe as many limiting factors as possible and classify them as density independent or density dependent. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3) Each of the statements below involves a situation that will affect the growth of a population. Classify each of the statements as DD (density dependent) or DI (density independent) and give a reason for your choice. (18 marks - 2 each) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Producers ,[object Object],[object Object],[object Object]

Consumers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Decomposer ,[object Object],[object Object]

Trophic Levels and Energy Flow ,[object Object],[object Object],[object Object],[object Object],2.4 VOCABULARY trophic level food chain food web

Interactions in Ecosystems ,[object Object],[object Object],[object Object],2

Interactions in Ecosystems Activity Using the food web on the right, predict what might happen if a disease killed all the krill in the ecosystem. Which species would be affected, and how? Try drawing a new food web. 2 CHAPTER

Ecological Roles and Relationships VOCABULARY nutrients producer autotroph phytoplankton consumer heterotroph herbivores primary consumer zooplankton carnivore omnivore detrivore decomposer biodegradation predation predator prey predator–prey cycle ,[object Object],[object Object],[object Object],[object Object]

Symbiosis 2.3 VOCABULARY symbiosis mutualism commensalism parasitism host parasite ,[object Object],[object Object],[object Object],[object Object]

Commensalisms : ,[object Object]

Ex. Of Commensalism ,[object Object]

Parasites can be divided into two basic categories, Ectoparasites and Endoparasites , the former referring to external parasites, and the latter internal parasites. ,[object Object],[object Object]

Ecological Pyramids ,[object Object],[object Object],[object Object],[object Object],2.5 VOCABULARY ecological pyramid food pyramid pyramid of energy pyramid of numbers pyramid of biomass

Energy Pyramid ,[object Object],[object Object],[object Object]

Energy Transfer ,[object Object],[object Object]

Science 10 - Chapter2

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Science 10 - Chapter2