Environmental Changes (Pre)
Quiz by Rachel King
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Information on the brown tree snake and the habitat on the island of Guam are given below.
The brown tree snake was introduced to the island of Guam by humans in the 1950's. What direct effect did the introduction of the tree snake likely have there? The island today probably has fewer-------
29hours of sunlight each day
humans bitten by snakes
roads built on the island
lizards living in the trees
- Q1
Information on the brown tree snake and the habitat on the island of Guam are given below.
The brown tree snake was introduced to the island of Guam by humans in the 1950's. What direct effect did the introduction of the tree snake likely have there? The island today probably has fewer-------
hours of sunlight each day
humans bitten by snakes
roads built on the island
lizards living in the trees
120s - Q2
If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area?
migration of small mammals
increasing populations of insects
increased seedling germination
severe loss of vegetation
120s5.9c - Q3
If humans cleared a forest and build homes where the forest once was, we would expect which of the following?
fewer tree dwelling animals
increased insect populations
More development of soil
more frequent thunderstorms
120s5.9c - Q4
If a factory polluted the water supply in an area, what change would likely be observed in that ecosystem?
New insects moving in to the region
More birds nesting in tress
fewer pond plants and animals
local trees growing taller
120s5.9c - Q5
Humans brough the first pigs to Hawaii more than 1,000 years ago. The pigs have no predators and eat nearly anything. Which of the following is a Negative impact that might result from the introduction of pigs to the Hawaiian rainforest ecosystem?
Fewer plants to hold soil in place
more kids of insect species
Less rainfall throughout the year
increased destruction by volcanoes
120s5.9c