Understanding Invasive Species and Their Impact Quiz - Test Your Knowledge

the bloody-red mysid (pictured), a crustacean native to the Ponto-Caspian region, has recently invaded the North American Great Lakes.

the invasive crayfish Orconectes immunis can outcompete the earlier invader O. limosus.

the Kermadec Red-crowned Parakeet is the first documented example of a parrot recolonising an island after the removal of invasive predators.

the northern whiting (pictured) has been declared an invasive species in the eastern Mediterranean, having passed through the Suez Canal as part of the Lessepsian migration.

though the pearl dace faces threats such as habitat destruction, invasive species, and overharvesting, it has not yet been listed as federally endangered in the United States.

the western yellowjacket, an invasive species in Hawaii, can be baited with poisoned catfood.

some Norton, Massachusetts residents complain they have trouble selling their homes because Lake Winnecunnett is "a weed-infested, mosquito breeding swamp".

several species of Cordgrass have become invasive, especially on the West Coast of the United States.

Duranta erecta, a widely cultivated ornamental plant, has been identified as an invasive species in Fiji, French Polynesia and Hawaii.

Diorhabda carinata (pictured), D. sublineata and D. elongata, three species of leaf beetle in Eurasia and North Africa, are used as biological pest control agents against invasive tamarisk trees in North America.

Percnon gibbesi is the most invasive decapod species ever to enter the Mediterranean Sea.

Perna viridis, a fast-growing bivalve mussel native to the Asia-Pacific, is an invasive species that harbors deadly toxins and biofouls submerged structures.

because the Indo-Pacific sea urchin Diadema setosum has been found in Turkish waters, it is the first invasive echinoid in the Mediterranean.

Utricularia inflata is one of the few invasive species of carnivorous plant.

Oregon Public Broadcasting's popular Oregon Field Guide has featured topics ranging from mountain unicycling to invasive species.

Understanding Invasive Species and Their Impact

1 For example invasive plants can alter the fire regime (cheatgrass, Bromus tectorum), nutrient cycling (smooth cordgrass Spartina alterniflora), and hydrology (________) in native ecosystems.

2 [citation needed] One such facilitative mechanism is ________, also known as chemical competition or interference competition.

3 Examples of these species are giraffe, ________, impala, kudu and White Rhino.

4 [21] A recent example of an introduced disease is the spread of the ________ across North America resulting in the deaths of humans, birds, mammals, and reptiles.

5 [3] This article concerns the first two definitions; for the third, see ________.

6 [47] Waterborne disease agents, such as ________ bacteria (Vibrio cholerae), and causative agents of harmful algal blooms are often transported via ballast water.

7 The invasive freshwater zebra mussels, native to the Black, Caspian and Azov seas, were probably transported to the ________ via ballast water from a transoceanic vessel.

8 The first definition expresses the phrase in terms of ________ (e.g.

9 The ________ inflicts damage on old growth spruce fir forests and negatively impacts the Christmas tree industry.

10 ________ for a review of the terminology used in invasion biology.

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