OALH Pyramids of Biomass (year 7)

Do Now

1

What is the name for an organism that makes its own food?

1

What is the name for an organism that hunts other organisms?

1

Describe the motion of a streamlined object

1

Name the equipment needed for chromatography

1

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm
(Rf= distance solute travelled / distance solvent travelled)

1

Challenge: Name the kingdom this organism belongs too ‘Single celled organisms with no nucleus (e.g. bacteria).’

Key Knowedge

1

State the definition of Biomass.

1

Biomass can be lost due to:

1

Suggest two reasons why biomass is lost from a food chain

Recall Quiz: 

1

Biomass can be lost due to:

1

State the definition of Biomass

1

Suggest two reasons why biomass is lost from a food chain

I Do 

1

Grass -> rabbits -> snakes -> hawk
100 pieces of grass (0.1kg)
10 rabbits (0.5kg)
3 snakes (1kg)
1 hawk (1kg)

1

Algae -> Krill -> Salmon -> Shark
32 pieces of Algae (0.5kg)
110 Krill (0.1kg)
7 Salmon (1kg)
1 Shark (5kg

Plenary 

1

Write a food chain for the following organisms: Grass, fox, rabbit

1

Make 2 food chains from the food web on the powerpoint:

1

Explain what would happen to the number of clown fish if the zooplankton were wiped out by a disease

1

OALH Pyramids of Biomass (year 7)

What is the name for an organism that makes its own food?

What is the name for an organism that hunts other organisms?

Describe the motion of a streamlined object

Name the equipment needed for chromatography

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm
(Rf= distance solute travelled / distance solvent travelled)

Challenge: Name the kingdom this organism belongs too ‘Single celled organisms with no nucleus (e.g. bacteria).’

State the definition of Biomass.

Biomass can be lost due to:

Suggest two reasons why biomass is lost from a food chain

Biomass can be lost due to:

State the definition of Biomass

Suggest two reasons why biomass is lost from a food chain

Grass -> rabbits -> snakes -> hawk
100 pieces of grass (0.1kg)
10 rabbits (0.5kg)
3 snakes (1kg)
1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark
32 pieces of Algae (0.5kg)
110 Krill (0.1kg)
7 Salmon (1kg)
1 Shark (5kg

Write a food chain for the following organisms: Grass, fox, rabbit

Make 2 food chains from the food web on the powerpoint:

Explain what would happen to the number of clown fish if the zooplankton were wiped out by a disease

Draw a pyramid of biomass for the following:
Dandelions x 10 (15kg each)
Rabbits x 5 (9kg each)
Fox x 1(3kg each)

What is the name for an organism that makes its own food?

What is the name for an organism that hunts other organisms?

Describe the motion of a streamlined object

Name the equipment needed for chromatography

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm
(Rf= distance solute travelled / distance solvent travelled)

Challenge: Name the kingdom this organism belongs too ‘Single celled organisms with no nucleus (e.g. bacteria).’

State the definition of Biomass.

Biomass can be lost due to:

Suggest two reasons why biomass is lost from a food chain

Biomass can be lost due to:

State the definition of Biomass

Suggest two reasons why biomass is lost from a food chain

Grass -> rabbits -> snakes -> hawk
100 pieces of grass (0.1kg)
10 rabbits (0.5kg)
3 snakes (1kg)
1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark
32 pieces of Algae (0.5kg)
110 Krill (0.1kg)
7 Salmon (1kg)
1 Shark (5kg

Write a food chain for the following organisms: Grass, fox, rabbit

Make 2 food chains from the food web on the powerpoint:

Explain what would happen to the number of clown fish if the zooplankton were wiped out by a disease

Draw a pyramid of biomass for the following:
Dandelions x 10 (15kg each)
Rabbits x 5 (9kg each)
Fox x 1(3kg each)

OALH Pyramids of Biomass (year 7)

OALH Pyramids of Biomass (year 7)

What is the name for an organism that makes its own food?

What is the name for an organism that hunts other organisms?

Describe the motion of a streamlined object

Name the equipment needed for chromatography

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm(Rf= distance solute travelled / distance solvent travelled)

Challenge: Name the kingdom this organism belongs too ‘Single celled organisms with no nucleus (e.g. bacteria).’

State the definition of Biomass.

Biomass can be lost due to:

Suggest two reasons why biomass is lost from a food chain

Biomass can be lost due to:

State the definition of Biomass

Suggest two reasons why biomass is lost from a food chain

Grass -> rabbits -> snakes -> hawk100 pieces of grass (0.1kg)10 rabbits (0.5kg)3 snakes (1kg)1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark32 pieces of Algae (0.5kg)110 Krill (0.1kg)7 Salmon (1kg)1 Shark (5kg

Write a food chain for the following organisms: Grass, fox, rabbit

Make 2 food chains from the food web on the powerpoint:

Explain what would happen to the number of clown fish if the zooplankton were wiped out by a disease

Draw a pyramid of biomass for the following: Dandelions x 10 (15kg each)Rabbits x 5 (9kg each)Fox x 1(3kg each)

What is the name for an organism that makes its own food?

What is the name for an organism that hunts other organisms?

Describe the motion of a streamlined object

Name the equipment needed for chromatography

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm(Rf= distance solute travelled / distance solvent travelled)

Challenge: Name the kingdom this organism belongs too ‘Single celled organisms with no nucleus (e.g. bacteria).’

State the definition of Biomass.

Biomass can be lost due to:

Suggest two reasons why biomass is lost from a food chain

Biomass can be lost due to:

State the definition of Biomass

Suggest two reasons why biomass is lost from a food chain

Grass -> rabbits -> snakes -> hawk100 pieces of grass (0.1kg)10 rabbits (0.5kg)3 snakes (1kg)1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark32 pieces of Algae (0.5kg)110 Krill (0.1kg)7 Salmon (1kg)1 Shark (5kg

Write a food chain for the following organisms: Grass, fox, rabbit

Make 2 food chains from the food web on the powerpoint:

Explain what would happen to the number of clown fish if the zooplankton were wiped out by a disease

Draw a pyramid of biomass for the following: Dandelions x 10 (15kg each)Rabbits x 5 (9kg each)Fox x 1(3kg each)

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm
(Rf= distance solute travelled / distance solvent travelled)

Grass -> rabbits -> snakes -> hawk
100 pieces of grass (0.1kg)
10 rabbits (0.5kg)
3 snakes (1kg)
1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark
32 pieces of Algae (0.5kg)
110 Krill (0.1kg)
7 Salmon (1kg)
1 Shark (5kg

Draw a pyramid of biomass for the following:
Dandelions x 10 (15kg each)
Rabbits x 5 (9kg each)
Fox x 1(3kg each)

Calculate the rf value of an ink dot that moved 2cm when the solvent moved 10 cm
(Rf= distance solute travelled / distance solvent travelled)

Grass -> rabbits -> snakes -> hawk
100 pieces of grass (0.1kg)
10 rabbits (0.5kg)
3 snakes (1kg)
1 hawk (1kg)

Algae -> Krill -> Salmon -> Shark
32 pieces of Algae (0.5kg)
110 Krill (0.1kg)
7 Salmon (1kg)
1 Shark (5kg

Draw a pyramid of biomass for the following:
Dandelions x 10 (15kg each)
Rabbits x 5 (9kg each)
Fox x 1(3kg each)