B2 - Pyramics of Biomass and Numbers 2.0 / 5 based on 1 rating ? BiologyHealthy livingGCSEOCR Created by: RachelcfxCreated on: 06-05-16 23:03 Each bar on the pyramid of biomass shows... Mass of living material. 1 of 5 EX. A pear tree goes at the bottom of the pyramid because... It's at the bottom of the food chain. 2 of 5 Why are biomass pyramids almost always pyramid shaped? Because biomass is lost at each stage of the food chain. 3 of 5 What is a pyramid of numbers? A pyramid where each bar shows the number of organisms on the food chain. (any shape) 4 of 5 The aphids bar on a pyramid of numbers is longer than the pear tree bar, why? Because one pear tree can feed loads of aphids. 5 of 5
Comments
No comments have yet been made