Cog Conc.
*(iii) Counting bubbles may not be the best way to measure the rate of
photosynthesis. The volume of the bubbles is not always exactly the
same. Suggest and explain one alternative way of measuring the gas
given off to solve this problem.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

Which of these parts of the membrane large moecules pass through it ?

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid