EEB 2100E Exam 1 Questions and
Answers 100% Verified
a. Tipping points in ecology are - ✔✔thresholds across which
disproportional changes occur and are difficult to reverse
b. What is one of the formal criteria for naming a geologic unit? -
✔✔Common stratigraphic section and point or golden spike found
around the world
c. Why do some geologists think the Anthropocene started with the
great Columbian Exchange? - ✔✔Massive exchange of species
between New and Old worlds
d. The two best likely events with golden spikes to differentiate a new
geological epoch are: - ✔✔Population declines in North America
associated with Columbian exchange; nuclear
e. A primary research article usually does not have a methods section
and instead summarizes a particular area of research. - ✔✔False
f. Both ecosystem services and nature's contributions to people define
ecosystem benefits to humans, but nature's contributions to people
recognizes both negative and non-economic effects - ✔✔True
g. If nature's contributions to people are valued and incorporated into
decision-making, then all the world'sbiodiversity would be protected
- ✔✔False
