IB ESS Topic 3.3

Front

What is seasonal migration?

Back

Seasonal migration refers to the regular movement of species from one habitat to another in response to seasonal changes, often for breeding or feeding purposes.

Front

What is herding in animal behavior?

Back

Herding is the grouping together of individuals in a population, which can make them more vulnerable to hunting and predation.

Front

Define invasive species.

Back

An invasive species is a non-native (not naturally found) species that is introduced to an area, often disrupting local ecosystems.

Front

What is ecosystem complexity?

Back

Ecosystem complexity refers to the variety of interactions and pathways for energy flow within an ecosystem, contributing to its stability and resilience.

Front

What does narrow geographical range mean?

Back

Narrow geographical range refers to a small area that a species inhabits, which can make it more prone to extinction due to habitat loss or changes.

Front

What is the IUCN?

Back

The International Union for Conservation of Nature (IUCN) is an organization that assesses the conservation status of species and ecosystems.

Front

What are limiting factors in an ecosystem?

Back

Limiting factors are environmental conditions that restrict the growth, abundance, or distribution of a population within an ecosystem.

Front

Explain the concept of inertia in ecosystems.

Back

Inertia is the ability of an ecosystem to resist change and remain stable despite disturbances.

Front

What is overexploitation?

Back

Overexploitation refers to the excessive use of a species or resource, leading to its decline or extinction.

Front

Define keystone species.

Back

A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance, playing a critical role in maintaining the structure of an ecosystem.