Anthropology 240 Quiz 7: Key Concepts in Primate Evolution

Anthropology 240 Quiz 7 Q1.) The four main molecules that are essential to cell structure and make up life on our planet are .... Answer: Protein, Lipids, Carbohydrates and Nucleic Acids Q2.) Intrasexual Selection is... Answer: Competition among males of the same species Q3.) When biologists say one should use parsimony when making a tree, they mean what? Answer: That less evolutionary steps are better than more steps to explain relationships Q4.) When we say a Phenotypic trait we mean… Answer: A trait that is visible in our physical makeup or is displayed genetically; an obvious, observable, and measurable trait Q5.) A phylogeny is... Answer: A hypothesis of ancestor descendent relationships. Q6.) A good example of a plesiamorph, that is a trait that is homologous (that is there is a shared ancestor) within a particular group of organisms but is not unique to members of that group, is .... Answer: Vertebrae in Zebras, Cheetahs and Orangutans Q7.) Primate characteristics include .... Answer: Post orbital bar/plate, Trichromatic vision, and Big Brains Q8.) How do scientists think New World Monkeys got to the Americas?

Answer: Via a land raft, a chunk of floating vegetation, a chunk of floating debris, or something similar, etc.. Q9.) When do primates first appear in the fossil record? Answer: 55 million years ago Q10.) Prosimians include... Answer: Lorises, Lemurs, Galagoes, Tarsiers Q11.) Tarsiers are prosimians as well as haplorhines Answer: True Q12.) Tapetum lucidem refers to what body characteristic? Answer: "Glowing" eyes at night Q13.) Platyrrhines, "Flat Nosed", are... Answer: New World Monkeys Q14.) Lorises have poisonous elbows. Answer: True Q15.) The larger size of Catarrhini is thought to be related to... Answer: Their mostly terrestrial lifestyle Q16.) Say you are on an expedition and you find a fossil in volcanic rock that you are certian is over 1 million years old, how might you date that fossil? Answer: Potassium Argon Dating

Q17.) __________ is a mode of natural selection in which extreme values for a trait are favored over intermediate values. Answer: Disruptive Selection Q18.) Primates are classified using a suite of characteristics, not one single common characteristic Answer: True Q19.) What is the only known primate to have venom? Answer: Lorises Q20.) A/the rhinarium is .... Answer: The furless skin surface surrounding the external openings of the nostrils in many mammals. Q21.) One big difference between Haplorhines and Strepsirrhines is that... Answer: The visual systems of haplorrhines are more developed than those of strepsirrhines

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Anthropology240Quiz7

Related Documents