Exploring Earth's Biomes and Climate Change

What are biomes?

• Single ecosystems with uniform life forms

• Large regions based on weather and dominant vegetation

• Small areas within a forest

• Uniform climate zones across the Earth

How do plants contribute to aquatic biomes?

• By providing shelter and food for aquatic life

• By absorbing all the water

• By increasing water temperature

• By decreasing oxygen levels in water

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What is the base of nearly all food webs on Earth?

• Carnivorous animals

• Plants

• Insects

• Microorganisms

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What is biodiversity?

• The variety of life in a given area or ecosystem

• The variety of deserts around the world

• The study of plants

• The number of animals in a forest

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What role do plants play in the carbon cycle?

• They use carbon dioxide to produce water

• They release all the carbon dioxide back into the atmosphere

• They store carbon in the soil

• They convert carbon dioxide into oxygen through photosynthesis

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What is a major cause of climate change?

• Increase in global photosynthesis

• Reduction in ocean temperatures

• Decrease in plant populations

• Increase in greenhouse gases

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How does climate change affect plant growth?

• It increases the nutrient content in all plants

• It has no significant impact on plants

• It enhances growth equally across all plant species

• It can limit growth by altering the availability of resources

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What is a carbon sink?

• A machine used in carbon trading

• A technology to capture carbon dioxide from the atmosphere

• A forest that releases more carbon than it absorbs

• An area that absorbs more carbon than it releases

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Why is planting trees not a simple solution to climate change?

• It can lead to an increase in animal populations

• Trees only grow in tropical climates

• It can disrupt local ecosystems and biodiversity

• Trees do not absorb carbon dioxide

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What makes Bhutan a carbon-negative country?

• It uses a lot of fossil fuels

• It has no forests

• It has banned cars

• It absorbs more carbon than it emits

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