Energy Transfer And Decay

Question 1

TRUE OR FALSE:-

“Material and energy are both lost at each stage of the food chain”

Answer 1

TRUE

Question 2

Why does most of the big mass does not become biomass in the next level up of a pyramid of biomass?

Answer 2

MOST OF THE BIOMASS IS LOST FOR SEVERAL REASONS

Question 3

Most energy is eventually lost to the surroundings as what?

Answer 3

HEAT

Question 4

Why does some material which makes up an animal not pass through to the next stage of the food chain?

Answer 4

ITS INEDIBLE E.G BONE

Question 5

Plants take elements like carbon, oxygen, hydrogen and nitrogen from the soil or air.

What do they turn these elements to?

Answer 5

INTO COMPLEX COMPOUNDS E.G CARBOHYDRATES, PROTEINS AND FATS

Question 6

What condition do microorganisms work best in?

Answer 6

WARM, MOIST CONDITIONS

Question 7

Many microorganisms also break down material faster when there’s plenty of what available?

Answer 7

OXYGEN

Question 8

What do green plants and algae use a small percentage of the light energy from the sun for?

Answer 8

TO MAKE FOOD DURING PHOTOSYNTHESIS