7.4 Biodiversity

What are the three intertwined features that make up biodiversity?

• Habitat diversity, Climate diversity, Population diversity

• Ecosystem diversity, Species diversity, Genetic diversity

• Water diversity, Air diversity, Land diversity

• Plant diversity, Animal diversity, Human diversity

Which region on Earth is mentioned as one of the most biodiverse due to its complex ecosystems, huge mix of species, and genetic variety within those species?

• Sahara Desert

• Antarctica

• Himalayas

• Amazon Rainforest

What happens when a species lacks genetic diversity due to isolation or low population numbers?

• It becomes more attractive for the bleeding

• It becomes stronger and more resilient

• It becomes more vulnerable to changes such as climate change and diseases

What is the algae important to coral?

• It provide nutrients to the coral

• It provide colour to the coral

• It provide a cooler sea temperature to the coral

Which of the following is the causes of coral bleaching?

• Deforestation

• Water pollution

• Acidication of sea water

Why the coral turn white under the impact of cliamte change?

• The algea is expeled

• The algea is eaten

• The algea kills the coral

Why coral bleaching is a serious problem to the biodiversity?

• Coral bleaching leads to loss of habitat for marine species

• Coral bleaching enhances marine biodiversity
• Coral bleaching disrupts the balance of the marine ecosystem

Which of the following is the role of mangrove?

• Increase air pollution
• Coastal protection

• It is a carbon sink

• Habitat for other living organism