The Organisms’ Responses to Changes in Their Internal and External Environments course explores the physiological, behavioural, and molecular mechanisms by which organisms perceive and respond to environmental stimuli. This course examines how organisms maintain homeostasis, adapt to environmental changes, and coordinate responses across different biological levels. Students will investigate sensory systems, signal transduction pathways, hormonal regulation, and behavioural adaptations that enable organisms to survive and thrive in diverse habitats. Through theoretical study, laboratory experiments, case studies, and interactive learning activities, participants will gain a comprehensive understanding of physiological responses in animals, plants, and microorganisms, and their implications for ecological interactions and human health.
Skills you’ll gain
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Concise Information
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Deeper Understanding of Subject
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Achieve Potential
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High Quality Resources
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Comprehensive Guide
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Improve Your Grades
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A-Level Designed Lessons
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Study Techniques
Meet your Teacher
Meet Katie, our outstanding Biology teacher, whose lessons are both informative and inspiring. Her innovative teaching methods and hands-on approach help students grasp complex biological concepts and foster a genuine love for the natural world. Katie’s supportive, encouraging nature create an environment where every student can thrive. Her enthusiasm for biology and her ability to make the subject come alive make her an exceptional educator.
What’s in the course:
Module 
2 Hours A-Level Biology: Topic 6
This course examines how organisms maintain homeostasis.
- Biology
- Katie Estruch
