Environmental Science Concepts and Processes

Environmental Science Concepts and Processes

Assessment

Interactive Video

Biology

11th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores how living organisms, particularly photosynthetic bacteria, have transformed the environment by producing oxygen and enabling the formation of the ozone layer. It discusses the role of these organisms in carbon sequestration, reducing atmospheric CO2, and their contribution to biogeochemical cycles. The video also highlights the process of transpiration and its significance in the water cycle.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

How living organisms change the environment

The history of environmental science

The impact of pollution on ecosystems

The role of technology in environmental conservation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What significant role did cyanobacteria play in Earth's history?

They caused the first ice age.

They were responsible for the extinction of dinosaurs.

They were the first to release diatomic oxygen into the ocean.

They were the first multicellular organisms.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was a consequence of the increase in oxygen in the atmosphere?

The formation of the ozone layer

A decrease in global temperatures

The extinction of all anaerobic organisms

The formation of new continents

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the ozone layer benefit life on Earth?

It provides essential nutrients for plants.

It reduces harmful UV radiation reaching the surface.

It causes rainfall.

It increases the Earth's temperature.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do photosynthetic organisms contribute to reducing atmospheric CO2?

By storing carbon in their biomass

By releasing methane

By producing nitrogen

By increasing the Earth's albedo

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of biogeochemical cycles?

They recycle essential nutrients for life.

They increase the Earth's temperature.

They are responsible for ocean currents.

They cause volcanic eruptions.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of decomposers in biogeochemical cycles?

They convert sunlight into energy.

They break down dead organic matter to release nutrients.

They form new soil layers.

They produce oxygen for the atmosphere.

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