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WorksheetsEndanger species, Invasive species, 2020
Total questions: 20
Worksheet time: 11mins
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
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.
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
economy.
All are correct
environment.
health of organisms.
TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally.
True
False
Invasive plants out-compete native plants for
sunlight.
water.
space.
all are correct
Biodiversity refers to ---
extinct species.
the variety of species on Earth.
nonrenewable resources.
the rate of species decline.
