The cane toad, or Rhinella marina, was introduced to the Hawaiian Islands in 1932 by sugar cane farmers. The farmers released the toads in their crops to help control pests that were damaging the sugar cane. The cane toad has few natural predators because it secretes a poisonous toxin that kills the animals that consume it. As a result, the cane toad population thrived, and by 1935, it numbered hundreds of thousands. Which role does the cane toad play in the Hawaiian Islands?
As human travel increases, the number of introduced species likely
Which term refers to a change in one species that results from a change in another species that it interacts with?
A relationship in which one species kills and consumes another species is known as
What is a snake that eats a mouse an example of?
The Remora remora, or suckerfish, often attaches to larger organisms such as sharks and whales through the use of a specialized sucker. This interaction enables the remora to feed on the scraps of food that remain from the larger organism’s meal. Typically, the larger organism is unaware of, and unaffected by, the remora. Which type of interaction occurs between the remora and its host organism?
What is the name that is given to a symbiotic relationship in which both species benefit?
Some flowering plants are pollinated by honeybees. At some time in the past, honeybees evolved the ability to see ultraviolet radiation. Some flowers have evolved to produce ultraviolet markers on their petals that direct honeybees to the reproductive parts of the flower. What is this an example of?
Legumes, a type of plant, require Rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen. Rhizobia use the legumes for food. What would most likely happen to the legume population if Rhizobia suddenly became extinct?
Which is most likely to help an introduced species become invasive?
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