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20 QuestionsShow answers
Question 1
SURVEY
60 seconds
Q. Biodiversity refers to
answer choices
extinct species
the variety of species on Earth
nonrenewable resources
the rate of species decline
Question 2
SURVEY
120 seconds
Q. When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?
answer choices
Non-native plants are able to mutate rapidly
Non-native plants cause native animals to relocate
Non-native plants are able to be used for medicine
Non-native plants compete with native plants for resources
Question 3
SURVEY
60 seconds
Q. What effect will an invasive species have on the carrying capacity of an ecosystem?
answer choices
The carrying capacity will increase
The carrying capacity for everyone will decrease
The carrying capacity will only decrease for those in competition for same resource
The carrying capacity for all animals will stay the same
Question 4
SURVEY
60 seconds
Q. Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:
answer choices
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 kudzo and native plants
Question 5
SURVEY
60 seconds
Q. The field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:
answer choices
A. The mice like to reproduce
B. A lack of a native species to eat the field mouse
C. Abundant food supply
Both B and C
Question 6
SURVEY
30 seconds
Q. How did the zebra mussels end up in the Great Lakes?
answer choices
In ballast tanks of ships
They were intentionally released
They have always been in the Great Lakes
That's not a zebra mussel
Question 7
SURVEY
45 seconds
Q. These were released in Australia to eat cane beetles, but now they are an invasive species and number in the millions.
answer choices
dingo
Kangaroo
Cane toad
Rabbits
Question 8
SURVEY
30 seconds
Q. 1. What makes a species invasive?
answer choices
Moving to a new ecosystem and taking resources from natives
Not having papers
Species that can't adapt
Plants that take up too much space
Question 9
SURVEY
30 seconds
Q. What kind of organisms can become invasive?
answer choices
Lions, Tigers, Bears
Plants, Animals, or Pathogens
Animals
Plants
Question 10
SURVEY
30 seconds
Q. If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?
answer choices
Increase
Decrease
Stay the same
No affect on smaller fish
Question 11
SURVEY
30 seconds
Q. Which of the following is a key characteristic of most invasive species?
answer choices
Ability to breathe in the air & in the water
Large, sharp teeth
Produce many offspring
Is a top predator
Question 12
SURVEY
60 seconds
Q. What is a native specie?
answer choices
A specie that is local and has lived in the same place
A specie who has come from another state or country
A specie that has no "home" and travels for its whole life
None of the above
Question 13
SURVEY
30 seconds
Q. The lack of natural predators makes populations of invasive species unmanageable?
answer choices
True
False
Question 14
SURVEY
120 seconds
Q. A population of an organism will only grow exponentially if:
answer choices
The resources are unlimited
They want to
The resources are limited
They do not like to compete
Question 15
SURVEY
30 seconds
Q. Species that are indigenous to an area with no human intervention
answer choices
invasive species
native species
all species that live in an ecosystem
Question 16
SURVEY
60 seconds
Q. Invasive species have a negative impact on...
answer choices
the ecosystem
the economy
Both the ecosystem and the economy
None of these
Question 17
SURVEY
120 seconds
Q. What do invasive species do to the habitat they move into? (paragraph 2)
answer choices
crowd out local plants and animals
eat all the mice and deer
create a food chain
Question 18
SURVEY
120 seconds
Q. What's one EFFECT of pythons invading the Everglades?
answer choices
the number of small mammals, like mice, are decreasing
the number of white-tailed deer is increasing
pythons can grow to be 18 feet long
Question 19
SURVEY
120 seconds
Q. What's one problem with the pythons gobbling up all the small animals in the Everglades park? (paragraph 4)
answer choices
other animals can't find any food
the deer weighed a total of 160 pounds
Scientists don't know exactly how many pythons are out there
Question 20
SURVEY
30 seconds
Q. Fire ants were introduced into the US by
answer choices
Groundskeepers to the Governor's mansion in Alabama
Stowing away on a cargo ship sailing from India
Stuck in a pant leg of a tourist coming in from South America
A ship that used soil from South America as ballast