Login
Login
Login
Register

Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Pyramids Of Biomass (biology Only) (GCSE Biology)

The following is a GCSE Biology test covering 'Pyramids Of Biomass (biology Only)' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
Start Test
Incorrect: 0
Correct: 0
Question 1
...
Congratulations - you have completed the test!
Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

Which trophic level would you expect to have the smallest total biomass in most ecosystems?
If a farmer increases the efficiency of energy transfer to livestock with improved feed, what would you expect to happen to the livestock biomass?
Why might a pond show an inverted pyramid of biomass with small plant biomass but large animal biomass?
Why is the “10% rule” (about 10% energy transfer between trophic levels) only an approximation?
When would a pyramid of biomass most likely be nearly upright (broad base tapering to a point)?
Which of the following would increase the biomass of a primary consumer population?
Which factor can cause a pyramid of biomass to vary between ecosystems?
In a typical food chain, which trophic level forms the base of a pyramid of biomass?
How can harvesting of primary producers (e.g., cutting grass for silage) change the pyramid of biomass on a farm?
Which term describes the total mass of living material in a trophic level?
What is the usual unit for expressing the mass in a pyramid of biomass for a given area?