sev4c review Lesson

Friday sev4c
Review
Soil knowledge

Multiple Choice

Which cycle would be best connected with soil nutrition

• nitrogen cycle

• carbon cycle

• water cycle

• phosphorus cycle

Nitrogen cycle

Nitrogen-fixing bacteria

Unique step among the
Biogeochemical cycles

Hotspot

Which step is the plant absorbing(assimilate) the nitrogen

Spin the wheel says-

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Georgia Standards of Excellence

SEV4. Obtain, evaluate, and communicate information to
analyze human impact on natural resources.

c. Construct an argument to evaluate how human population

growth affects food demand and food supply (GMOs,
monocultures, desertification, Green Revolution).

1. I can describe the characteristics or trends of
human population growth (past, present & future).
2. I can predict how human population growth
affects food demand and food supply.
3. I can define the terms GMO and Green
Revolution and can explain their environmental
impacts.

Cocoa plantations

Much of today’s cocoa is grown in monocropping systems.
This agricultural practice involves cultivating a single crop in
an area – disrupting food systems for wildlife, people, and
organisms in the soil.

Four points about impact with cocoa

•-icide
distribution

•Biodiversity
lessened

•Organisms
in the soil

•Food systems
for wildlife
and people

Organisms in the soil(nitrogen cycle)

•The conversion of nitrogen can be carried out through both
biological and physical processes. Important processes in the
nitrogen cycle include fixation, ammonification, nitrification,
and denitrification. The majority of Earth's atmosphere (78%)
is atmospheric nitrogen

Chemical –icides(pesticides)

Biodiversity lessened

•Tropical rainforest climate is favorable for the cocoa plant



Cocoa farmers usually clear tropical forests to plant new cocoa trees rather than reusing the same land.

That practice has spurred massive deforestation in West Africa, particularly in Ivory Coast.

Food sources become scarce

•Acacias are thorny scrubby African trees. Acacia leaves are an
important food source for many of Africa's largest herbivores such
as giraffes, zebras and elephants.

Four points about impact with cocoa plants
3 classcraft teams-pick one section to review

•-icide
distribution

•Biodiversity
lessened

•Organisms
in the soil

•Food systems
for wildlife
and people

Independent work

•Quizizz study activity with Cocoa plantations

•I am done-thumbs up

•Need more support-question mark

Review=green revolution

•What did the green revolution provide for us today to worry about
deforestation and desertification to large regions of countries?

Quizizz challenge

•Air pollution-

•GMO-

•Green revolution-

•Agricultural impact effects-

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Open Ended

What are two ways desertification can occur?

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