Changes to Ecosystems

Quiz
•
Other Sciences
•
5th Grade
•
Medium
Used 190+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would have a negative impact on an ecosystem
deforestation
planting trees
recycling paper
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?
native plants
invaders
invasive species
natural species
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a certain population becomes too large, and it harms or changes the quality of life in that environment, we have an...
a population
overpopulation
pollution
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Huge areas of the Amazon Rainforest are being cut down. What effect could this have on the carbon-dioxide/oxygen cycle if the removal of so many plants and trees continues?
Carbon dioxide levels increase
Oxygen levels increase
Carbon dioxide levels decrease
Nitrogen levels decrease
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?
Predators of the bass might starve due to loss of a food source
The population of the bass’ prey would decrease.
The bass would spend more time swimming near the surface
Water level in the lake would decrease as more fishing took place
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