Battling giant salvinia, the fight to save caddo lake
Interactive Video
•
Biology
•
11th Grade - University
•
Hard
Wayground Content
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the origin of the giant salvinia, and when did it first appear in Texas?
Brazil, 1998
India, 1995
Australia, 2000
South Africa, 2002
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method used to manage giant salvinia as discussed in the second section?
Burning with blowtorches
Mechanical removal
Biological control using weevils
Chemical pesticides
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many weevils have been raised by the community to combat giant salvinia?
500,000
250,000
350,000
100,000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What changes have been observed in Pine Island Pond since the release of weevils?
Slow but dramatic change
No change
Increase in salvinia growth
Complete eradication of salvinia
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the narrator's personal connection to Cattle Lake?
They have lived near it for 50 years
They have only read about it
They have worked there for a year
They have never visited it
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