Invasive Species B/C

[John Richardsim]

List an advantage and disadvantage of the use of TFM in the control of the sea lamprey.

[chscioly]

Answer (Click to Show Hidden Text)

Advantage-TFM breaks down by itself after being used
 Disadvantage-may harm the gills of trout

[John Richardsim]

Answer (Click to Show Hidden Text)

Advantage-TFM breaks down by itself after being used
 Disadvantage-may harm the gills of trout

Good, your turn.

[chscioly]

Question (Click to Show Hidden Text)

[img]http://www.dhresource.com/0x0s/f2-albu-g3-M00-CA-97-rBVaHFVwE-OAWjhoAAC0y1WVrpE945.jpg/50-paulownia-seeds-princess-tree-or-empress.jpg[/img]
1. Common and scientific names
2. Where is it native to?
3. What is its impact?

[John Richardsim]

Question (Click to Show Hidden Text)

[img]http://www.dhresource.com/0x0s/f2-albu-g3-M00-CA-97-rBVaHFVwE-OAWjhoAAC0y1WVrpE945.jpg/50-paulownia-seeds-princess-tree-or-empress.jpg[/img]
1. Common and scientific names
2. Where is it native to?
3. What is its impact?

. (Click to Show Hidden Text)

1. Princess Tree ([i]Paulownia tomentosa[/i])
2. China
3. Grows and reproduces rapidly, displacing native species (particularly in disturbed areas).

[chscioly]

Correct, your turn

[John Richardsim]

Describe two ways to distinguish between Silver Carp and Bighead Carp.

[chscioly]

Answer (Click to Show Hidden Text)

Silver carp leaps from water when startled, but bighead carp do not. They are both filter feeders, but bighead feeders filter larger particles.

[John Richardsim]

Answer (Click to Show Hidden Text)

Silver carp leaps from water when startled, but bighead carp do not. They are both filter feeders, but bighead feeders filter larger particles.

Yep, that's good. Your turn.

[chscioly]

Question (Click to Show Hidden Text)

[img]http://www.russchantler.com/gallery_15/Nutria%201.jpg[/img]
1. Common and scientific name
2. What color are its teeth?
3. Why were they introduced?
4. Impact?