Biogeochemical Cycles

​Review the biological levels of classification by watching the video.

Reorder

Order the biological levels from the most complex to the simplest.

• biomes

• ecosystem

• community

• population
• species

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Order the biological levels from the simplest to the most complex.

• body systems

• organs

• tissues

• cells

• organism

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

​Learning Target

​I can understand how nutrients are cycled in the environment.

Multiple Choice

Can animals consume Nitrogen directly from the air?

• No

• Yes

Multiple Select

Which of the following help convert nitrogen into usable forms? Check all that apply.

• blue-green algae/cyanobacteria

• burning fossil fuels

Multiple Select

Which biomolecules contain nitrogen in their chemical structure?

• Protein

Multiple Choice

Can phosphorus be used directly by animals?

• Yes

• No

Drag and Drop

Phosphorus is needed to make the biomolecule called ​

Placeholder

​ ​ the building blocks of life and ​

Placeholder

that make up our cells.

Drag these tiles and drop them in the correct blank above

DNA, a nucleic acid

phospholipids

carbohydrates

protein

Dropdown

Eutrophication is caused by ​

Select answer

of phosphorus and other nutrients causing a ​

Select answer

of algae, which in turn ​

Select answer

​oxygen levels in bodies of water, and eventually ​

Select answer

of the community of organisms due to lack of oxygen supply.​

Match

Match the following description to the name of the process.

• condensation

• evaporation

• precipitation

• transpiration

clouds

water vapor

rain, snow, sleet

evaporation of water in plants

• clouds

• water vapor

• rain, snow, sleet

• evaporation of water in plants

Multiple Select

What events release carbon dioxide in the air?

Check all that apply.

• respiration of humans and animals

• decomposition of organisms

• burning of fossil fuels

• deforestation

Match

Match the following description to the event.

• greenhouse

• global warming

• pollution

• ocean acidfication

a natural phenomenon where greenhouses gases, like CO₂, traps sunlight and wams the planet

a phenomenon showing a gradual increase of Earth's temperature due to unnaturally high levels of CO₂

a contamination of air dues to introduction of pollutants/chemicals

a phenomenon that increases ocean water acidity by lowering its pH due to high levels of CO₂

• a natural phenomenon where greenhouses gases, like CO₂, traps sunlight and wams the planet

• a phenomenon showing a gradual increase of Earth's temperature due to unnaturally high levels of CO₂

• a contamination of air dues to introduction of pollutants/chemicals

• a phenomenon that increases ocean water acidity by lowering its pH due to high levels of CO₂

a process where plants used carbon dioxide, along with water and sunlight to produce food (glucose) and oxygen (O₂)

​Photosynthesis

Drag and Drop

​ ​ ​ ​ The substances​

Placeholder

, a sugar/carbohydrate and

Placeholder

gas is produced when plants, algae, and cyanobacteria photosynthesize.​

Drag these tiles and drop them in the correct blank above

glucose

oxygen

carbon dioxide

water

Multiple Choice

What do you call organisms that undergo photosynthesis?

• producers/

  autotrophs

• consumers/

  heterotrophs