BIO120H1 Lecture Notes - Mutation, Cichlid, Herbicide
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BIO120H1 Full Course Notes
Verified Note
36 documents
Document Summary
Introduced in australia: control insects on hawaii. Nile perch in africa: extinction cichlid fish, people don"t really like to eat it. Biological invasions: the successful establishment of a species in a region not previously occupied followed by rapid range expansion. An indigenous species that occurs wild in a given region. Species that has been introduced to a part of the world to which they are not native. Disrupt eco processes in natural plant & animal communities: goats; eat everything, snakes, foxes, new zealand and australia. Displace native species leading to their extinction. Effects on human health: microorganisms are invasive. Economic & social impacts through reduction of yields in agriculture & fisheries: poisons sprayed on agriculture to control invasive species, ecological economics. 42% of threatened & endangered species at risk because of the invasions. In the native region specie has a lot of enemies that evolved with it.
