Forests Under Threat

What is the main challenge for plants in the tropical rainforest (TRF)?

• Limited water supply

• Excessive sunlight

• Limited light

• Poor soil quality

What is the average temperature range in the taiga?

• 10°C to 20°C

• -20°C to 20°C

• 0°C to 10°C

• 20°C to 30°C

Which layer of the TRF is home to the tallest trees?

• Understory

• Emergents

• Canopy

• Forest floor

What is a major reason for the reduction in commercial logging in the TRF?

• Increased demand for paper

• Government regulations

• High cost of logging

• Lack of skilled labor

What adaptation helps animals in the taiga survive the cold?

• Thick fur

• Long legs

• Bright colors

• Thin skin

What is the main source of nutrients in the taiga?

• Decomposing leaves

• Pine needles

• Animal waste

• Fallen branches

What is the main reason for the high biodiversity in the TRF?

• High precipitation

• Complex food web

• Rich soil

• Low temperatures

What is the main threat to the taiga ecosystem?

• Deforestation

• Climate change

• Overfishing

• Urbanization

What is the main purpose of REDD?

• To promote tourism

• To protect endangered species

• To reduce emissions from deforestation

• To increase agricultural output

What is a common feature of trees in the taiga?

• Broad leaves

• Thick bark

• Needle-like leaves

• Short trunks