Carbon and Nitrogen Cycles

Carbohydrates = ​ ​ (a)  

Lipids = ​ ​ (b)  

Nucleic Acids = ​ ​ (c)  

Proteins = ​ (d)  

• Provides structural support in cell wall of fungi
• Provides structural support in cell membranes.
• Speed up chemical reactions in cellular functions
• Copies genetic info instructions for protein synth

Explain the role of a decomposer in an ecosystem.

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Which biomolecule contains carbon?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

What is a carbon reservoir?

• A carbon reservoir is a system that stores carbon in various forms.
• A carbon reservoir is a measurement of carbon emissions.
• A carbon reservoir is a type of fossil fuel.
• A carbon reservoir is a process that releases carbon into the atmosphere.

Label this process

a

b

c

d

e

f

g

h

Respiration

Solar/Sun

Oxygen + Glucose

Mitochondria

Chloroplast

Photosynthesis

ATP

Carbon Dioxide + Water

Match the following to the image:

a

b

c

d

e

f

Reservoir: Ocean

Release: decomposers

Reservoir: Plants Photosynthesis

Release: Animal Respiration

Reservoir: Atmosphere

Release: Fossil Fuels

What biomolecules contain nitrogen?

• Carbohydrates

• Proteins

• Nucleic Acids

• Lipids

Nitrogen in the air ​ (a)   be used by organisms. The nitrogen needs to be FIXED by ​ (b)   in order for it to be used.

• Bacteria
• Animals
• Plants
• can not
• can

Match the labels to the process:

a

b

c

d

e

Nitrogen in the atmosphere

Decomposers releases nitrogen

Bacteria unfixes Nitrogen

Nitrogen fixing bacteria

Lightning fixes Nitrogen

Organize these options into the right categories

Groups:

(a) Store Carbon

,

(b) Release Carbon

• Plants

• Atmosphere

• Fossil Fuels

• Water

• Decomposers

• Consumers