GCSE Biology - Competition & Interdependence (2026/27 exams) скачать в хорошем качестве

GCSE Biology - Competition & Interdependence (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** 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 **    • GCSE Maths (9-1)      • GCSE Biology (9-1)      • GCSE Chemistry (9-1)      • GCSE Physics (9-1)      • A-Level Biology   #GCSE #Biology #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE