GCSE Biology - Competition & Interdependence

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*** WHAT'S COVERED ***
1. Ecology and Relationships
* Relationships between organisms (same species, different species, predators, prey)
* Relationships between organisms and their environment (oxygen, carbon dioxide, soil)
2. Ecosystem Interdependence
* How changes in one part of an ecosystem (e.g., population size) affect other parts
3. Key Ecological Terms Explained
* Habitat
* Population
* Community
* Biotic Factors
* Abiotic Factors
* Ecosystem
4. Competition for Resources
* Why organisms compete (limited resources)
* Resources competed for by animals (space, food, water, mates)
* Resources competed for by plants (light, space, water, mineral ions)
* Competition between different species and within the same species
5. Interdependence Illustrated
* Using food webs to show feeding relationships
* How changes in one population (e.g., field mice) can impact multiple other populations in the food web

*** CHAPTERS ***
0:00 Ecology
0:42 Interdependence
1:05 Habitat, Population, Community
1:52 Biotic and Abiotic Factors
2:16 Ecosystem Definition
2:50 Competition
3:30 Types of Competition: Between and Within Species
3:49 Interdependence: Food Webs and Feeding Relationships

*** PLAYLISTS ***






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