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Unit 18 of 19

Organisms and Their Environment

Cambridge IGCSE Co-ordinated Sciences 0654 — Biology · 6 lessons · 5 quizzes

Start the first lesson

18.1

Unit 18 overview: Organisms and Their Environment20 min

18.1.1

Transfer of Energy20 min

18.1.2

Food Chains and Food Webs20 min

18.1.3

Trophic Levels20 min

18.1.4

Efficiency of Energy Transfer20 min

18.1.5

Nutrient Cycles20 min

Practice for this unit

18.1.1 Transfer of Energy - MCQ practice (15 questions)

Marked questions with instant feedback and a full review.

18.1.2 Food Chains and Food Webs - MCQ practice (8 questions)

Marked questions with instant feedback and a full review.

18.1.3 Trophic Levels - MCQ practice (34 questions)

Marked questions with instant feedback and a full review.

18.1.4 Efficiency of Energy Transfer - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

18.1.5 Nutrient Cycles - MCQ practice (41 questions)

Marked questions with instant feedback and a full review.