Temperate Deciduous Biome and Land-based Ecosystems Quiz

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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?

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?

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?

To protect seeds while dormant Signup and view all the answers

What is the classification of aquatic ecosystems based on?

Salinity level of the water Signup and view all the answers

What characterizes freshwater ecosystems?

Low salt content due to continuous recycling of water Signup and view all the answers

What do detritivores feed on?

Dead organic matter Signup and view all the answers

Which type of organisms obtain their nutrients through the uptake of dissolved organic matter from the ambient medium through osmosis?

Osmotrophs Signup and view all the answers

What is the effect of freezing of soil moisture on plants?

Kills the plant Signup and view all the answers

Which light spectrum colors are effective in photosynthesis?

Red and blue Signup and view all the answers

What happens when plants are grown in blue light?

They become small Signup and view all the answers

How does high-intensity light affect plant growth?

Favours root growth more than shoot growth Signup and view all the answers

What are ecosystem goods?

Products humans harvest from the environment Signup and view all the answers

How is sulphur released into terrestrial and aquatic ecosystems?

Through decomposition of organic matter Signup and view all the answers

What is the primary source of marine sulphate aerosols?

Dimethyl Sulfide (DMS) Signup and view all the answers

What role does plant uptake play in the sulphur cycle?

Taking up sulphates and incorporating them into amino acids Signup and view all the answers

Where is sulphur locked before being released into ecosystems?

In organic and inorganic soil deposits Signup and view all the answers

What causes atmospheric deposition of sulphur back to the earth?

Combustion of fossil fuels Signup and view all the answers

What is a significant cause of biodiversity loss according to the text?

Over-exploitation Signup and view all the answers

Which trait can lead to increased vulnerability to extinction in species?

Low adult survival rates Signup and view all the answers

What can be a consequence of the extinction of one species according to the text?

The extinction of species associated with it Signup and view all the answers

How can genetic modification contribute to biodiversity loss?

Through the production of dominant GMO species Signup and view all the answers

What influence does climate change have on ecosystem health according to the text?

Negative influence Signup and view all the answers

How does the loss of biodiversity affect livelihoods according to the text?

May limit potential treatments for diseases Signup and view all the answers

Which type of biome has deciduous trees that shed their leaves in the cold season?

Temperate Deciduous Biome Signup and view all the answers

In which region is the Sub-Tropical Deciduous Biome found?

Eastern China Signup and view all the answers

Which vegetation is characteristic of the Temperate Rainforest Biome?

Coniferous trees Signup and view all the answers

Which type of ecosystem is exclusively land-based?