Feeding the human race

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Question 10
Easy

Desert locusts (Schistocerca gregaria) are a major threat to food security and agricultural production, particularly in Africa and Asia.

  • A single adult desert locust can consume 2.0 g2.0\text{ g}2.0 g of green vegetation in a single day.
  • A swarm of locusts in a certain agricultural region is estimated to have a population of 45,000,00045,000,00045,000,000 locusts.

Calculate the total mass of vegetation, in tonnes (t\text{t}t), that this swarm of locusts eats in a day.

(1 tonne=1,000 kg1\text{ tonne} = 1,000\text{ kg}1 tonne=1,000 kg)

Show your working.

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Feeding the human race Questions

  1. GCSE
  2. /Biology
  3. /Feeding the human race