Which of the following is true of more recently evolved primates?
1.They have a longer lifespan.
2.They spend less time in the womb.
3.Their foramen magnum is posterior on the skull.
4.They produce fewer offspring.
1
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Which among the following substances
contaminating the Aberdeen Proving Ground is an organic compound that damages the nervous system, liver, and lungs?
a. lead b. arsenic c. dimethyl chloride d. trichloroethylene e. more than one of these is the answer
CO2 and H2O will not form glucose on their own because ____
a. CO2 does not contain sufficient energy b. H2O does not contain sufficient energy c. neither CO2 nor H2O contain sufficient energy d. the concentration of CO2 is too low in the atmosphere e. the bonds of CO2 and H2O are too stable to be broken without an input of energy
The three phylogenetic trees shown here all contain the same members and all have a common ancestor, but are divided up in three different ways. Which tree has members circled that are of more than one evolutionary line and does not include the most recent common ancestor of the included lineages? What type of group is this? 
A. Tree 2; polyphyletic. B. Tree 1; monophyletic. C. Tree 3; polyphyletic. D. Tree 2; paraphyletic. E. Tree 3; monophyletic.
Which of the following structures is NOT found in an endospore?
A. Exosporium B. Core C. Coat D. Capsule