Formation of Oceans
Photosynthesis
Soil and Microbial Life
Geologic Eras (Pages 6+7)
Human Impact
100

What process from Earth's interior contributed to the formation of early oceans?

Outgassing

100

Which organisms were crucial in producing oxygen in Earth's early atmosphere?

Cyanobacteria

100

How does microbial life contribute to soil formation?

Decomposes organic matter and breaks down minerals

100

During which group does the organism "Cooksonia" belong to? 

Land plants

100

How have human activities altered the carbon cycle?

Increased atmospheric carbon dioxide levels through fossil fuel combustion and deforestation.

200
How did volcanic activity lead to the formation of oceans?

Volcanoes released water vapor into the atmosphere which condensed into the oceans

200

What era is known for the significant increase in atmospheric oxygen levels?

Paleoproterozoic 

200

Why is healthy soil important for land ecosystems?

Provides nutrients and stability for plants and animals 

200

At the end of which period did Tabulate/Rugose corals go extinct? 

Permian

200

What issues is the island nation of Palau currently experiencing with tuna?

Tuna are being poached and over fished leading to a decline in their population 

300

 What is the significance of hydrothermal vents in the context of early ocean development?

Hydrothermal vents provided a rich source of nutrients and energy, supporting early microbial life.

300

How did the evolution of photosynthetic organisms impact the ozone layer?

Increased oxygen levels led to the formation of the ozone layer, which protects Earth from harmful UV radiation

300

What role do fungi play in soil health?

They decompose organic matter and form symbiotic relationships with plants, enhancing nutrient uptake.

300

What significant event marked the transition from the Paleozoic to the Mesozoic era?

The Permian-Triassic extinction event

300

Explain the relationship between deforestation and climate change.

Deforestation increases carbon dioxide levels, contributing to global warming and climate change.

400

What sources other than volcanic activity may have contributed to the water in Earth's oceans?

Comets and asteroids that contained ice.

400

What are the main products of photosynthesis?

Glucose and oxygen

400

How does soil erosion affect plant life?

Reduces nutrient availability and can lead to loss of habitat for plants

400

During which geologic period are the older sauropods from?

Jurassic 

400

How does urbanization affect local ecosystems?

 It leads to habitat destruction, increased pollution, and altered water cycles

500

Explain how the presence of early oceans influenced Earth's climate.

Oceans helped regulate temperature and weather patterns by absorbing heat and distributing it around the planet.

500

How did photosynthesis affect the development of aerobic organisms?

It provided oxygen, enabling the evolution of aerobic organisms that rely on oxygen for respiration.

500

Explain the relationship between soil composition and plant growth

Soil composition affects nutrient availability, water retention, and root support, all of which are critical for plant growth.

500
What is the significance of fossils in understanding geologic Eras?

Fossils provide evidence of past life forms and help establish a timeline of biological and geological events

500

Propose a solution to balance marine biodiversity and human population sustainability in aquaculture.

Improvements in technology, restrictions on fishing