Sea lions can live into their thirties and
produce no more than one pup per year. A sea
lion is a(an) __ species
a. type II
b. opportunistic
c. K-selected
d. r-selected
e. type III
C
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One hypothesis explaining the first nucleated eukaryotic cell is based upon the fusion of an archaeon and a bacterium that, over time, saw archaeal genes involved in metabolism being lost while bacterial genes involved in information processing were also degraded.
Answer the following statement true (T) or false (F)
In a graphical representation of an organism's population growth in a given habitat, the growth rate for an organism whose population is increasing according to its biotic potential is best represented by a(n)
A) line with a negative slope. B) S-shaped curve. C) flat line (no slope) set at the carrying capacity of the environment. D) exponential growth curve. E) flat line (no slope) set at the equilibrium point of environmental resistance versus biotic growth potential.
Microtubules are associated with ________
A) cilia B) flagella C) cell shape D) all of the answer choices
Two of Darwin's finches display a character displacement when they occur as sympatric species. Which of the statements correctly interprets the graph? 
A. Both species have the same size beak on Santa Maria Island. B. The two species have different beak sizes when they occur on the same island. C. Both species have the same size beaks on Los Hermanos Island. D. Both species have the same size beaks on Daphne Major. E. The two species feed on different food resources; one feeds on seeds while the other feeds on insects.