IB ESS Topic 3 Biodiversity and conservation

Front

What is natural selection?

Back

Natural selection is the process by which individuals that are better suited to their environment survive and reproduce, passing down their genes to their offspring.

Front

Define invasive species.

Back

An invasive species is a non-native species that is introduced to an area, which can disrupt local ecosystems.

Front

What does biodiversity refer to?

Back

Biodiversity refers to the variety of different species in a given area.

Front

What does the theory of evolution state about living things?

Back

The theory of evolution states that living things change over time.

Front

Which biome is known for having the highest biodiversity?

Back

The rainforest is known for having the highest biodiversity.

Front

What is the significance of biodiversity in ecosystems?

Back

Biodiversity is crucial for ecosystem stability, resilience, and the provision of ecosystem services.

Front

What are the main threats to biodiversity?

Back

The main threats to biodiversity include habitat destruction, climate change, pollution, invasive species, and overexploitation.

Front

How does habitat destruction affect biodiversity?

Back

Habitat destruction leads to loss of species and reduces the variety of life in an ecosystem.

Front

What role do keystone species play in an ecosystem?

Back

Keystone species play a critical role in maintaining the structure of an ecosystem, influencing the types and numbers of other species.

Front

What is the difference between endemic and invasive species?

Back

Endemic species are native to a specific area, while invasive species are non-native and can disrupt local ecosystems.