Medicine & TechnologyScientists investigate the mechanism on how some invasive species, such as the green crab, had shown extensive dispersal in the last decade as they adapt across environmental gradients despite lacking genetic diversity.
Cane toads are warty, poisonous amphibians that usually eat insects. However, they will also eat almost anything, such as reptiles, amphibians, and small mammals. With no natural predators, their number starts to explode.
The tree of heaven was first introduced in the US more than 240 years ago and has now invaded almost all states, destroying endemic plant species and provides sanctuary to invasive insects such as the spotted lanternfly.
An invasive species of jellyfish was recently spotted several times across beaches in North Carolina. Factors such as global warming and the movement of ships may have brought the jellyfish further north than usual.
Invasive species pose a serious threat to native species and ecosystems around the world. A recent study predicts that thousands of invasive species will be accounted for worldwide by 2050 if biosecurity and international trade laws aren't stricter.