WorksheetsInvasive Species
Total questions: 20
Worksheet time: 12mins
Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.
increasing, less
increasing, more
decreasing, less
decreasing, more
TRUE or FALSE? Invasive species grow quickly due to the lack of predators. This leads to a decline or extinction of the native population.
True
False
A species that is not native to an area is called a ---
Native Species.
Natural Species.
Invasive Species.
Symbiotic Species.
This invasive species came over in boats from Europe in the 1980's. They harm native fish, clog pipes and ruin beaches.
Sea Lamprey
Zebra Mussel
Asian Carp
Feral Swine
Why do the populations of invasive species grow so quickly?
Invasive Species are native to an area.
Invasive species are prey to many animals.
Invasive species have no predators.
Invasive species keep the ecosystems in equilibrium.
Which of these words does NOT describe an invasive species?
alien
intruder
non-native
natural
The primary cause of the introduction of invasive species introduction is ---
too much food.
human action.
weather events.
asteroids.
Click on the map to help answer this question. What can we predict about the population of Feral Swine for the year 2016?
There will be less feral swine in 2016 than there were in 1982.
There will be more feral swine in 2016 than there were in 2010
There were fewer feral swine in 2004 than 1982.
There will be no change in feral swine population.
The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival is called a ---
Niche.
Habitat.
Home.
Ecosystem.
The particular role (job) of an organism in its environment, including types of food it eats, how it obtains its food and how it interacts with other organisms is called a ---
Niche.
Habitat.
Home.
Ecosystem.
A species indigenous to a certain region or ecosystem naturally is a ---
Native Species.
Accidental Species.
Introduced Species.
Invasive Species.
Invasive species cause harm to the --- [choose 3]
economy.
atmosphere only.
environment.
health of organisms.
water only.
TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally.
True
False
Invasive species --- [choose 3]
take over the habitat of other organisms.
increases the populations of native organisms.
decrease biodiversity.
increase biodiversity.
cause the populations of native organisms to decrease.
Invasive species can cause or lead to the --- [choose 2]
increase of native plants and animals.
habitats to be permanently altered.
decrease of invasive plants and animals.
extinction of native plants and animals.
Invasive plants out-compete native plants for --- [choose 3]
sunlight.
water.
oxygen.
space.
TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally.
True
False
Biodiversity refers to ---
extinct species.
the variety of species on Earth.
nonrenewable resources.
the rate of species decline.
Kudzu has overgrown many parts of South Carolina and native ground plants have disappeared from the area. This is an example of ---
Parasitism between kudzu and the native plants.
A predator prey relationship between ground plants and kudzu.
Competition occurring between the native and invasive species.
Commesalism occurring between the kudzu and native plants.
