Are my answers to the following correct?
True, False, True, C and A,B,D
1. Species accumuation are used to estimate local, or alpha,diversity.
2. The shape of a species accumulation curve depends, in part,on the order in which sampes are processed.
3. Species accumulation curves are not needed when a completecensus is available.
4. Which of the following statements about beta deiversity isFALSE?
a. Beta diversity measures how quickly species compositionchanges across the landscape
b. There are a variety of different ways researchers havemeasured beta diversity
c. Relatively flat, homogeneous habitats tend to have higherbeta diversity
d. Beta diversity changes depending on the scale at which youmeasure it
5. Paul Ehrlich and E.O. Wilson offered a number of reasons toprotect biodiversity. What were they?
a. Earth cannot "survive" antoher mass extinction event
b. People have an aesthetic and moral obligation to protectEarth's species
c. Earth's biodiversity may provide us with important newresources in the future
d. Loss of biodiversity may reduce ecosystem services that wouldbe difficult to replace
False, False, True, True, Sahara dessert, Secular migration andSweetstakes route
6. Immigration rates decline as the size of an islandincrease.
7. Extinction rates decline as the number of species on anisland increases.
8. Extinction rates increase as the size of an islanddecreases.
9. All else being equal, turnover rates are higher on smallislands than on large ones.
10. When we think of islands, we often think of them as landmasses surrounded by water. Ecologists have suggested a muchbroader definition of an island. Which of the following would NOTbe viewed as an island by an ecologist?
a. Mountain top habitats
b. Urban parks
c. Caves
d. Sahara desert
11. Horses originated in North America and then migrates to Asiaand Europe. As they migrates, they evolved over many generationsinto the horse species we see today. This is an example of whichmigration type?
a. Diffusion
b. Jump dispersal
c. Secular migration
12. Horses went extinct in North American and did not returnuntil they were ferried in boats by European settlers (no landmammal can swim on its own across an ocean). From a horse'sperspective, the ocean barrier is best described as...?
a. Corridor
b. Filter
c. Sweepstakes route
