30 Questions
Why do cattle farmers and authorities light fires in savanna grasslands?
To stimulate the growth of fresh grass
Why are fires in savannahs considered carbon-neutral?
They release CO2 which is reabsorbed by new grass growth
What type of vegetation is common in desert biomes?
Xerophytic plants like cacti and thorny bushes
Why do desert herbs and grasses have thick, tough skins on their seeds?
To protect seeds while dormant
What is the classification of aquatic ecosystems based on?
Salinity level of the water
What characterizes freshwater ecosystems?
Low salt content due to continuous recycling of water
What do detritivores feed on?
Dead organic matter
Which type of organisms obtain their nutrients through the uptake of dissolved organic matter from the ambient medium through osmosis?
Osmotrophs
What is the effect of freezing of soil moisture on plants?
Kills the plant
Which light spectrum colors are effective in photosynthesis?
Red and blue
What happens when plants are grown in blue light?
They become small
How does high-intensity light affect plant growth?
Favours root growth more than shoot growth
What are ecosystem goods?
Products humans harvest from the environment
How is sulphur released into terrestrial and aquatic ecosystems?
Through decomposition of organic matter
What is the primary source of marine sulphate aerosols?
Dimethyl Sulfide (DMS)
What role does plant uptake play in the sulphur cycle?
Taking up sulphates and incorporating them into amino acids
Where is sulphur locked before being released into ecosystems?
In organic and inorganic soil deposits
What causes atmospheric deposition of sulphur back to the earth?
Combustion of fossil fuels
What is a significant cause of biodiversity loss according to the text?
Over-exploitation
Which trait can lead to increased vulnerability to extinction in species?
Low adult survival rates
What can be a consequence of the extinction of one species according to the text?
The extinction of species associated with it
How can genetic modification contribute to biodiversity loss?
Through the production of dominant GMO species
What influence does climate change have on ecosystem health according to the text?
Negative influence
How does the loss of biodiversity affect livelihoods according to the text?
May limit potential treatments for diseases
Which type of biome has deciduous trees that shed their leaves in the cold season?
Temperate Deciduous Biome
In which region is the Sub-Tropical Deciduous Biome found?
Eastern China
Which vegetation is characteristic of the Temperate Rainforest Biome?
Coniferous trees
Which type of ecosystem is exclusively land-based?
Temperate Deciduous Biome
What are the major biomes divisible into enormous regions called?
Biomes
Which biome has luxuriant vegetation including both evergreen broadleaved forests and deciduous trees in lowlands?
Sub-Tropical Deciduous Biome
Test your knowledge on the temperate deciduous biome found in North Western Europe with a British Type Climate. Explore the vegetation, soil types, and wildlife such as Siberian tigers, wolverines, and more that inhabit these land-based ecosystems.
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