PYRAMIDS OF NUMBER, BIOMASS AND ENERGY

Question 1

FOOD CHAIN SHOW (…)

Answer 1

WHAT IS EATEN BY WHAT IN AN ECOSYSTEM

Question 2

HOW DOES FOOD CHAIN WORK

Answer 2

1) PRODUCERS ARE EATEN BY PRIMARY CONSUMERS AND SECONDARY CONSUMERS ARE EATEN BY TERTIARY CONSUMERS
2) ALL THE ORGANISMS EVENTUALLY DIE AND GET EATEN BY DECOMPOSERS
3) EACH STAGE IS CALLED A THROPIC LEVEL

Question 3

WHAT IS THE PYRAMID OF NUMBERS

Answer 3

1) EACH BAR ON A PYRAMID OF NUMBERS SHOWS THE NUMBER OF ORGANISMS AT THAT STAGE OF THE FOOD CHAIN

Question 4

WHAT IS THE PYRAMID OF BIOMASS

Answer 4

1) EACH BAR ON A PYRAMID OF BIOMASS SHOWS THE MASS OF LIVING MATERIAL, BASICALLY HOW MUCH ALL THE ORGANISMS AT EACH LEVEL WOULD ‘WEIGHT’ IF YOU PUT THEM ALL TOGETHER

Question 5

WHAT ARE PYRAMIDS OF ENERGY TRANSFER

Answer 5

1) THEY SHO THE ENERGY TRANSFERRED TO EACH TROPHIC LEVEL IN FOOD CHAIN
2) PYRAMIDS OF ENERGY TRANSFER ARE ALWAYS THE SAME SHAPE AS A REAL PYRAMID