Energy Transfer 2

Question 1

What is biomass

Answer 1

Biomass is amount of living tissue (energy available for next level in food chain)

Question 2

Why can’t food chains be longer than a certain length

Answer 2

Food chains can’t be longer than a certain length because
Energy is lost between trophic levels . Not enough energy to sustain another trophic level due to loss of energy e.g respiration, excretion

Question 3

What does productivity of ecosystem depend on

Answer 3

Productivity of an ecosystem depends on how much energy is captured by producers and how much is transferred to higher trophic levels