9700/12 Biology Feb Mar 2022 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
خرداد
2022
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
The diagram shows some values for gross primary productivity (GPP) and energy flow in an ecosystem, measured in $kJ{m^{-2}}{y^{-1}}$.
What percentage of GPP in the producers can be transferred to the tertiary consumers?