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Causes of extinction in New Zealand?
Introduced species and habitat loss are the primary causes of extinction of native species in New Zealand. Introduced species such as feral cats, foxes, rats and stoats have decimated some native populations. Even the brushtail possum, rainbow lorikeets, black swan and cockatoos which have been introduced from Australia, threaten the habitat of native New Zealand species.
Was the karaka tree introduced to New Zealand from some other country?
No. The karaka is indigenous to New Zealand.
What are introduced?
Introduced birds are birds from other countries i.e. some believe the magpie was brought from Australia into New Zealand
Do Kangaroos live in the Amazon?
No. Kangaroos are native to Australia. Some species of wallabies have been introduced to other parts of the world, such as New Zealand, while tree kangaroos are also found in New Guinea. However, there are no kangaroos of any species in the Amazon.
Do any NZ animals hibernate?
No, native New Zealand animals do not hibernate. The climate in New Zealand is mild enough that most animals do not need to hibernate to survive the winter. However, some introduced species like hedgehogs may hibernate in certain parts of the country.
Is introduced species the same as invasive species?
No, introduced species and invasive species are not the same. An introduced species is any non-native species that has been brought to a new environment, either intentionally or accidentally. Invasive species, on the other hand, are a subset of introduced species that cause harm to the ecosystem, economy, or human health by outcompeting native species or disrupting ecological balances. Not all introduced species become invasive; some can coexist peacefully within their new environments.
What is the definition of rabbit?
Any of the smaller species of the genus Lepus, especially the common European species (Lepus cuniculus), which is often kept as a pet, and has been introduced into many countries. It is remarkably prolific, and has become a pest in some parts of Australia and New Zealand.
What are introduced birds?
Introduced birds are birds from other countries i.e. some believe the magpie was brought from Australia into New Zealand
Species introduced to new geographic locations?
When species are introduced to new locations where they are not native, they are termed as "introduced species" or "invasive species." These introductions can disrupt ecosystems, outcompete native species, and impact local biodiversity. Examples include the cane toad in Australia and the zebra mussel in North America.
Do possums eat native trees?
Possums do eat native vegetation. This is not a problem in Australia, where the possums and plants are adapted to each other. However, possums are causing considerable destruction to New Zealand's environment, to which they were introduced in the 1800s. They feed on the vegetation, reducing its availability for native species, and nest in the trees, forcing smaller species out. There are no natural predators of the possum in New Zealand, so their population has increased dramatically. Possums strip the native plants of leaves, buds, flowers, fruits and seeds, meaning less chances of propagation. New Zealand trees do not have defensive chemicals of some Australian native trees, meaning the possums can continue to eat from one tree until the tree has been severely affected. Many of these plant species are disappearing from the New Zealand forests, and allowing invasive non-native species to take hold of the forests.
What statement in not true of introduced species?
Introduced species are not inherently harmful; many can coexist peacefully with native species and contribute positively to their ecosystems. However, the statement that all introduced species are beneficial or harmless is not true, as many can disrupt local ecosystems, outcompete native species, and lead to biodiversity loss. Thus, while some introduced species can thrive without negative impacts, others can cause significant ecological challenges.
What is bioinvasion and what are some examples?
Bioinvasion is when a species is introduced into a whole new environment!
