12 Questions
What does biodiversity typically measure?
Variation at genetic, species, and ecosystem level
Why are ecosystems with high biodiversity more resilient to environmental changes?
Due to the number of different species present
What does low genetic diversity in koalas imply?
The population can easily be devastated by disease
Which ecosystem exhibits high species diversity according to the text?
Rainforest
What does DNA stand for?
Deoxyribonucleic acid
What are biotic components of an ecosystem?
Living things like plants, animals, and bacteria
What is the role of nitrogen fixing bacteria in the soil?
Converting atmospheric nitrogen into a form that plants can use for growth
How does deforestation impact water quality?
Causes changes to water quality due to soil erosion and loss of tree cover
What is the main cause of desertification?
Overgrazing and harmful agricultural practices
How does overharvesting impact marine ecosystems?
Reduces fish populations and disrupts marine food webs
What defines a keystone species in an ecosystem?
A species that is critical to the ecosystem, without which the ecosystem is in great danger
What is one direct consequence of introducing invasive species into an ecosystem?
Disruption of food chains and ecosystems with potential loss of biodiversity
Learn about the importance of biodiversity and its components such as genetic diversity and species diversity. Discover how ecosystems with high biodiversity are more resilient to environmental changes, and how low genetic diversity in species like koalas can make them susceptible to diseases.
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