Answer these questions (click to open) and hand them in on Monday, January 24th at the beginning of class.
-------------------------------------------------------------------------------------------------------
Here are the questions posted for those who could not view:
YOUR NAME:____________________________
Take Home Exercise for the Video Expeditions: Grassy Balds in the Heart of Roan.
- What is a bald? (‘your instructor’ will not be counted as a correct answer)
- Grasses and _____________ make up most of the plants on a grassy bald.
- List the common name of one rare and endangered plant mentioned in the movie.
- What role did the last ice age play in plant species distribution from the Roan Highlands of NC to Mt. Washington in New Hampshire?
- Explain what the theory of island biogeography has to do with the highlands of Roan Mountain.
- How long have the rare high-elevation northern plant species been hanging on in the grassy balds of North Carolina? (circle the best answer)
- 1000-5000 years
- 8000 - 10000 years
- 18,000-20,000 years
- over 100,000 years
- What is arguably the most famous rare plant found on Roan Mountain? For extra credit: Who discovered and named this species?
- What is the prevailing theory on how the grassy balds were created?
- What are some of the difficult decisions that must be made when managing grassy balds?
- What is one way that native, but invasive, blackberries can be controlled without chemicals?
- What drove Bison and Elk from the grassy balds and lead to the need for active human management to keep the rare ecosystems intact?
- What did the camouflaged Horned Lark chicks look like that were shown in the video?
- What are two of the many organizations mentioned that play a role in protecting the Grassy Balds of North Carolina?
- Do grazing cattle necessarily damage the grassy balds? Explain why or why not.
Here is a brief excerpt from the movie:
