Answer:
I believe this is false. They sit on top but they are not connected.
Explanation:
A possible negative impact would be that the natural predator may prey on native species in the region that you're importing it to.
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Answer:
Clogging engine cooling systems - Bra Mussels
Extinction of bandicoots - Feral Cats
Blocking water boats - Water Hyacinths
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Answer:
the vaccine causes the immune system to produce antibodies to the virus that causes the measles
During ecological succession of an ecosystem new organisms begin to grow and the ecosystem begins to recover. This is the way ecosystems repair themselves after a disaster.