Podcast
Questions and Answers
Why do cattle farmers and authorities light fires in savanna grasslands?
Why do cattle farmers and authorities light fires in savanna grasslands?
- To stimulate the growth of fresh grass (correct)
- To increase the population of parasitic ticks
- To control the number of nocturnal predators
- To reduce carbon emissions
Why are fires in savannahs considered carbon-neutral?
Why are fires in savannahs considered carbon-neutral?
- They release oxygen
- They release CO2 which is reabsorbed by new grass growth (correct)
- They release methane
- They absorb CO2 from the atmosphere
What type of vegetation is common in desert biomes?
What type of vegetation is common in desert biomes?
- Aquatic plants
- Tropical rainforest plants
- Tall, leafy trees
- Xerophytic plants like cacti and thorny bushes (correct)
Why do desert herbs and grasses have thick, tough skins on their seeds?
Why do desert herbs and grasses have thick, tough skins on their seeds?
What is the classification of aquatic ecosystems based on?
What is the classification of aquatic ecosystems based on?
What characterizes freshwater ecosystems?
What characterizes freshwater ecosystems?
What do detritivores feed on?
What do detritivores feed on?
Which type of organisms obtain their nutrients through the uptake of dissolved organic matter from the ambient medium through osmosis?
Which type of organisms obtain their nutrients through the uptake of dissolved organic matter from the ambient medium through osmosis?
What is the effect of freezing of soil moisture on plants?
What is the effect of freezing of soil moisture on plants?
Which light spectrum colors are effective in photosynthesis?
Which light spectrum colors are effective in photosynthesis?
What happens when plants are grown in blue light?
What happens when plants are grown in blue light?
How does high-intensity light affect plant growth?
How does high-intensity light affect plant growth?
What are ecosystem goods?
What are ecosystem goods?
How is sulphur released into terrestrial and aquatic ecosystems?
How is sulphur released into terrestrial and aquatic ecosystems?
What is the primary source of marine sulphate aerosols?
What is the primary source of marine sulphate aerosols?
What role does plant uptake play in the sulphur cycle?
What role does plant uptake play in the sulphur cycle?
Where is sulphur locked before being released into ecosystems?
Where is sulphur locked before being released into ecosystems?
What causes atmospheric deposition of sulphur back to the earth?
What causes atmospheric deposition of sulphur back to the earth?
What is a significant cause of biodiversity loss according to the text?
What is a significant cause of biodiversity loss according to the text?
Which trait can lead to increased vulnerability to extinction in species?
Which trait can lead to increased vulnerability to extinction in species?
What can be a consequence of the extinction of one species according to the text?
What can be a consequence of the extinction of one species according to the text?
How can genetic modification contribute to biodiversity loss?
How can genetic modification contribute to biodiversity loss?
What influence does climate change have on ecosystem health according to the text?
What influence does climate change have on ecosystem health according to the text?
How does the loss of biodiversity affect livelihoods according to the text?
How does the loss of biodiversity affect livelihoods according to the text?
Which type of biome has deciduous trees that shed their leaves in the cold season?
Which type of biome has deciduous trees that shed their leaves in the cold season?
In which region is the Sub-Tropical Deciduous Biome found?
In which region is the Sub-Tropical Deciduous Biome found?
Which vegetation is characteristic of the Temperate Rainforest Biome?
Which vegetation is characteristic of the Temperate Rainforest Biome?
Which type of ecosystem is exclusively land-based?
Which type of ecosystem is exclusively land-based?
What are the major biomes divisible into enormous regions called?
What are the major biomes divisible into enormous regions called?
Which biome has luxuriant vegetation including both evergreen broadleaved forests and deciduous trees in lowlands?
Which biome has luxuriant vegetation including both evergreen broadleaved forests and deciduous trees in lowlands?
