Island Biography

What is species immigration?

• The process of individuals leaving a population

• Movement of individuals from one population to another

• The movement of individuals within the same population

• The process of individuals reproducing within a population

What is species extinction?

• The migration of a particular species to a different habitat.

• The transformation of a particular species into a different species.

• The temporary disappearance of a particular species from the Earth.

• The complete disappearance of a particular species from the Earth.

How does species immigration affect island ecosystems?

• Species immigration can introduce new species and increase biodiversity, but it can also lead to competition, predation, and the introduction of invasive species.

• Species immigration has no impact on island ecosystems.

• Species immigration can lead to a decrease in biodiversity.

• Species immigration only introduces beneficial species to island ecosystems.

How does species extinction affect island ecosystems?

• Species extinction only affects non-native species in island ecosystems.

• Species extinction increases the biodiversity of island ecosystems.

• Species extinction has no impact on island ecosystems.

• Species extinction disrupts the balance of island ecosystems, leading to a decline in biodiversity and potential further extinctions.

Name one example of a species that immigrated to an island.

• red fox

• zebra mussel

• Asian carp

• brown tree snake

Name one example of a species that went extinct on an island.

• passenger pigeon

• Tasmanian tiger

• great auk

• dodo bird

What are some factors that can lead to species immigration on an island?

• Migration, competition, and adaptation.

• Predator introduction, habitat destruction, and disease outbreak.

• Climate change, genetic mutation, and geological events.

• Natural dispersal, human introduction, and ecological changes.

What are some factors that can lead to species extinction on an island?

• Limited food resources, competition with other species, human interference

• Habitat loss, invasive species, overexploitation, pollution, and climate change.

• Natural disasters, genetic mutations, disease outbreaks

• Lack of genetic diversity, habitat fragmentation, predation

How can human activities impact species immigration and extinction on islands?

• Human activities have no impact on species immigration and extinction on islands.

• Human activities can impact species immigration and extinction on islands through hunting and fishing.

• Human activities can impact species immigration and extinction on islands through urbanization and deforestation.

• Human activities can impact species immigration and extinction on islands through habitat destruction, introduction of invasive species, pollution, and climate change.

What are some conservation strategies to prevent species extinction on islands?

• Deforestation and land development

• Hunting and trapping of endangered species

• Habitat restoration, invasive species control, captive breeding programs, and establishment of protected areas.

• Introduction of more invasive species