Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


This is because a lot of energy is lost at each step. After, about 3 steps very little energy is available for use by living organisms. Thia also explains why there are only a few organisms at the top of the food chains, when compared with those at the start of the food chain.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts