Ecology B/C

SenseiSushi · Post by **SenseiSushi** » Thu Oct 13, 2016 11:45 am

Taigas have an average precipitation of between 15-100cm and an average temperature range of -65 to 70 degrees Fahrenheit. Deciduous forests have an average precipitation of between 75-150cm and an average temperature range of -20 to 90 degrees Fahrenheit.

tm-scioli · Post by **tm-scioli** » Thu Oct 13, 2016 6:30 pm

your turn

SenseiSushi · Post by **SenseiSushi** » Thu Oct 13, 2016 7:23 pm

What is the largest reservoir of carbon on planet Earth?

tm-scioli · Post by **tm-scioli** » Fri Oct 14, 2016 4:47 pm

the crust

SenseiSushi · Post by **SenseiSushi** » Mon Oct 17, 2016 10:52 am

Thats it! Your turn.

tm-scioli · Post by **tm-scioli** » Mon Oct 17, 2016 1:37 pm

An invasive plant has taken over a plot of grassland on a ranch. The specie is spiny and allelopathic, but whenever the owner tills up the soil, sprays herbicides, or otherwise eliminates the problem, the plants that grow back are just other disturbance selected invasive species. Describe 2 possible solutions to the problem.

gavinnupp · Post by **gavinnupp** » Thu Oct 20, 2016 11:42 pm

1. Use prolonged germination tarps and glyphosate to eliminate all seeds within the soil, and reseed with a native seed mix
2. Set it on fire (controlled burns are a common method of control in praries)

tm-scioli · Post by **tm-scioli** » Fri Oct 21, 2016 7:23 am

1. yup, I would just mention perennial plants (probably bunchgrasses)
2. that would usually work unless the other invasive species that grow back are fire resistant/resprout easily after fires your turn

Zioly · Post by **Zioly** » Sun Oct 23, 2016 1:05 pm

I'm very sorry if this isn't allowed, but seeing as Gavinupp hasn't responded yet and I'm itching to start studying...

1. Describe K-selective and r-selective organisms.
2. Give 2 examples of each

SenseiSushi · Post by **SenseiSushi** » Sun Oct 23, 2016 2:42 pm

Zioly wrote:I'm very sorry if this isn't allowed, but seeing as Gavinupp hasn't responded yet and I'm itching to start studying...

1. Describe K-selective and r-selective organisms.
2. Give 2 examples of each

Answer (Click to Show Hidden Text)

r-selective organisms are those that put the majority of their energy into rapid growth and reproduction while K-selective organisms place most of their energy into sustained growth and generally have fewer offspring. 

Mosquitos and frogs are examples of r-selective organisms whereas humans and elephants are examples of K-selective organisms.

Scioly.org

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