Invasive Species B/C

Test your knowledge of various Science Olympiad events.
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John Richardsim
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Re: Invasive Species B/C

Post by John Richardsim »

Jaol wrote:Autumn Olive?
[img]http://i.imgur.com/DYwwqNF.jpg[/img]
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Re: Invasive Species B/C

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John Richardsim wrote:
Jaol wrote:Autumn Olive?
[img]http://i.imgur.com/DYwwqNF.jpg[/img]
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He might've just looked on your User Gallery page... :P
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Re: Invasive Species B/C

Post by Jaol »

What is the differentiation between the main native Elk Thistle and invasive Musk thistle?
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Re: Invasive Species B/C

Post by JoJoKeKe »

Jaol wrote:What is the differentiation between the main native Elk Thistle and invasive Musk thistle?
Not sure what the "main" difference is but I know that elk thistle and other native thistles will often be seen grazed on by native wildlife, while native thistles will not.
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Re: Invasive Species B/C

Post by Jaol »

Not great at wording questions am I? I meant a coloration difference. Elk Thistle is lighter in color, while Musk Thistle is darker green. U can go
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Re: Invasive Species B/C

Post by superpenguin666 »

Umm.. can someone else go? We've been waiting for JoJoKeKe for 2 days.
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Re: Invasive Species B/C

Post by Jaol »

Go ahead
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Re: Invasive Species B/C

Post by superpenguin666 »

=mrc&uact=8
1. How was it introduced to the U.S and where is it native from?
                           2. Name words for how it reproduces (oviparous, etc.).
                           3. How does it spread (bait, aquacultural purposes)?
                           4. What is its diet? How does it impact the species in its ecosystem (directly or indirectly)? How does it impact humans?

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Re: Invasive Species B/C

Post by JasperKota »

superpenguin666 wrote:=mrc&uact=8
1. How was it introduced to the U.S and where is it native from?
                           2. Name words for how it reproduces (oviparous, etc.).
                           3. How does it spread (bait, aquacultural purposes)?
                           4. What is its diet? How does it impact the species in its ecosystem (directly or indirectly)? How does it impact humans?

1. Ballast water. It's native to the Caspian Sea, Azov Sea, and a few more seas
2.parthenogenesis, sexually and asexually
3. attaches to fishing lines, downrigger cables and also spreads through bait buckets, livewells, etc. 
4. it consumes various zooplankton, competes with planktivorous invertebrates and vertebrates for food and causes economic losses at fish farms
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Re: Invasive Species B/C

Post by superpenguin666 »

JasperKota wrote:
superpenguin666 wrote:=mrc&uact=8
1. How was it introduced to the U.S and where is it native from?
                           2. Name words for how it reproduces (oviparous, etc.).
                           3. How does it spread (bait, aquacultural purposes)?
                           4. What is its diet? How does it impact the species in its ecosystem (directly or indirectly)? How does it impact humans?

1. Ballast water. It's native to the Caspian Sea, Azov Sea, and a few more seas
2.parthenogenesis, sexually and asexually
3. attaches to fishing lines, downrigger cables and also spreads through bait buckets, livewells, etc. 
4. it consumes various zooplankton, competes with planktivorous invertebrates and vertebrates for food and causes economic losses at fish farms
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