OpenOlympiad· free olympiad practice

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Living Organisms and Their Surroundings

Polar bears in snow, cactus in desert — evolution's homework. 🐻‍❄️🌵

📖 Concepts

1What is alive?→2Habitat: an organism's home→3Adaptation — built to fit→4Desert and polar adaptations→5Aquatic adaptations→6Mountain and grassland life→7Biotic and abiotic factors→8Food chains and food webs→9Classification of living things→

🎯 Practice questions

Start with basic, then try regular and hard when you're ready.