Why food chain is unidirectional?

More Questions

• What is difference between food chain and food web?
• What is a food chain give an example?
• What is a food chain class 10?
• Why are food chains important?
• What is food chain give an example?
• I am a food lover in Agartala, Tripura, and I am looking for a new favorite street food spot. What's the best cheap food that's a must-try in the city?
• Dreaming of street food—point to the premier Cheap Food in Bhopal, Madhya Pradesh?
• Planning hill food—suggest the best Cheap Food in Tura, Meghalaya?
• What is the difference between fast food and junk food?
• Planning street food; suggest the leading Cheap Food in Bhavnagar, Gujarat?