Environmental Systems- CH6 Biomes

Multiple Choice

Which of the following factors contributes most directly to the formation of specific ecosystems?

• Differences in average annual precipitation and temperature

• Human activities

• Soil composition

• Presence of predators

Multiple Choice

Which biome is characterized by high temperatures and high precipitation throughout the year?

• Tropical rain forest

• Temperate grassland

• Arctic tundra

• Temperate desert

Multiple Choice

Based on the map, which biome covers most of northern Russia and Canada?

• Coniferous forest

• Tropical grassland

• Temperate rain forest

• Chaparral

Multiple Choice

Which of the following are characteristics of desert ecosystems?

• Slow plant growth

• High species diversity

• Rapid nutrient cycling

• Abundant water

Open Ended

Explain why desert ecosystems are considered fragile. Use specific characteristics mentioned in the slide to support your answer.

Fill in the Blanks

The biome that forms in areas too moist for deserts and too wet for forests is called

.

Open Ended

Compare the temperature and precipitation patterns of tropical, temperate, and cold grasslands as shown in the graphs. What trends do you observe?

Multiple Choice

Which of the following is NOT one of the three major types of forests?

• Tropical rain forests

• Temperate forests

• Boreal forests

• Mangrove forests

Open Ended

Compare the temperature and precipitation patterns among tropical, temperate, and cold forests as shown in the graphs.

Fill in the Blanks

Mountains play important ecological roles such as providing fresh water and being islands of biodiversity. Name two other important roles of mountains mentioned in the slide.

Multiple Select

Which of the following are major threats to terrestrial ecosystems due to human activities?

• Unsustainable agriculture

• Urban development

• Deforestation

• All of the above

Multiple Choice

Based on the table, which human activity is a major impact on both forests and grasslands?

• Conversion to cropland

• Clearing for agriculture, livestock grazing, timber, and urban development

• Depletion of groundwater

• Oil production

Multiple Choice

Which of the following is NOT a vital ecosystem or economic service provided by oceans?

• Nutrient cycling

• Tidal/wave energy

• Desert formation

• Transportation routes

Multiple Select

Which factors determine the abundance and location of marine organisms?

• Water temperature

• Dissolved oxygen

• Availability of food, light, and nutrients

• Wind speed

Fill in the Blanks

Estuaries, coastal marshes, mangrove forests, and

reefs help filter out toxic pollutants and provide nursery sites.

Multiple Choice

Which zone of the open sea is characterized by darkness and cold temperatures near the ocean floor?

• Euphotic Zone

• Bathyal Zone

• Abyssal Zone

• Coastal Zone

Open Ended

Describe the differences in biodiversity and physical conditions between the euphotic, bathyal, and abyssal zones as shown in the diagram.

Multiple Choice

Which process leads to the formation of carbonic acid in ocean waters, and how does this impact marine organisms?

• Absorption of excess CO2, which reduces carbonate ions needed for shells and skeletons

• Absorption of excess O2, which increases carbonate ions

• Absorption of excess nitrogen, which increases acidity

• Absorption of excess methane, which reduces oxygen levels

Multiple Choice

Based on the table, what are two major human impacts that threaten both marine ecosystems and coral reefs?

• Rising sea levels and overfishing

• Soil erosion and bleaching

• Algae growth and urban development

• Increased UV exposure and mangrove loss

Fill in the Blanks

Surface water is defined as fresh water that flows or is stored in bodies of water on Earth’s

.

Multiple Choice

Which of the following organisms is most likely to be found in the benthic zone of a lake?

• Bloodworms

• Painted turtle

• Plankton

• Yellow perch

Open Ended

Reflecting on what you learned about ecosystems and climate, what questions do you still have or what would you like to explore further about how climate affects biodiversity?

Multiple Choice

How does climate influence the formation of specific ecosystems?

• By affecting soil composition

• Through differences in average annual precipitation and temperature

• By determining the amount of sunlight

• Through human activities