Which habitat would be expected to have the greatest species richness?
a. an island
b. a polar habitat
c. an ecotone
d. an agricultural habitat
e. a mountain top
C
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How are parasitoids different from typical brood parasites?
a. they are usually not insects b. they affect only plants c. they lay eggs inside a host, which is eventually killed d. they fool another species into caring for their young e. they usually only affect the eggs of birds
The primary reason steroid hormones usually act slowly is that _____
Fill in the blank(s) with the appropriate word(s).
A new species of beetle is discovered. If you were a cladist, what steps might you take to classify this
beetle? How might this approach be different if you were a pheneticist? What will be an ideal response?
Which of the following events occurs in the lytic cycle of bacteriophage T4 infection but not in the lysogenic cycle?
A. attachment B. entry C. digestion of host DNA D. viral protein synthesis E. both digestion of host DNA and viral proteins synthesis