Skip to content
MathsGenie logo
Open app

Course home

  1. GCSE
  2. Biology Edexcel
  3. Question bank

Energy transfer, biodiversity and human impact

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455
Question 27

A marine biologist investigated a rocky shore tidal pool ecosystem and estimated the population size and mean dry biomass of different organisms.

Table 1

OrganismPopulation SizeMean Dry Biomass of Individual (g)Total Dry Biomass of Population (g)
Bladderwrack75140.010500
Limpets4203.51470
Dogwhelks1852.4?
Shore crabs558.2451
Herring gull21100.02200

Calculate the total dry biomass of the population of dogwhelks in the tidal pool.

[1]

Energy transfer, biodiversity and human impact Questions

  1. GCSE
  2. /Biology
  3. /Energy transfer, biodiversity and human impact