The bacteria that causes gastric ulcers must be A) halophilicB) basophilicC) thermophilic D) psychrophilicE) acidophilic

Which prokaryotes would thrive in extremely salty environments A) extreme halophilesB) extreme thermophilesC) methanogensD) cyanobacteriaE) archaean

Which of these directly produces the pollen tube of angiosperms A) male gametophyteB) female gametophyteC) male sporophyteD) female sporophyte

DNA of wolves and domestic dogs has a very high degree of sequence homology suggesting they A) have very similar morphologiesB) belong to the same orderC) are both members of the order CarnivoraD) share a very recent common ancestor

When machine-hours are used as a cost-allocation base, the item most likely to contribute to an unfavorable variable overhead efficiency variance is:

In this phylogenetic tree what is true of A and B compared to D and E A) they share the same most recent common ancestor B) they are sister taxaC) they are equally related to CD) only one divergence separates them  

The cost of goods sold during 2011 was:

Why are fossils considered to be an incomplete record of evolution?A) The fossil record shows changes in kinds of organisms that lived on earth.B) The fossil record shows that many animals are extinct.C) The fossil record is biased for organisms that had hard shells and skeletons.D) Fossils document how new organisms come from preexisting organisms.

Mole formula

MATCHING EXERCISE – Chemical Reactions