Which phytoplankton flourished in the Miocene, probably because of increased volcanism?
a. coccolithophores
b. diatoms
c. dinoflagellates
d. foraminifera
e. radiolarians
b
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What is the global, long term-change to sea level?
a. Active change b. Temporal change c. Eustatic change d. Passive change
Which of the following competes with a natural messenger and stimulates a receptor?
A) an agonist B) an antagonist C) both a and b D) neither a nor b
The outdated notion of _______ ________ states that, certain environmental conditions always correlate with specific culture traits
Fill in the blank(s) with correct word
There are several long-term changes in Earth's orbit that affect how heat from the Sun is distributed over the planet. Which of the following describes how the orbit changes from being elliptical to more circular?
A. solar obliqueness B. axial cyclicity C. eccentricity D. axial tilt E. precession