1.
what group were the first primates?
a. prosimians b) cetaceans c) anthropoids d) old world monkeys
d) simians
2. not a derived feature of birds
a. toothless b. small gonads, simple ovary c. hollow or
honeycombed bones d. keratinized feathers derived from skin scales
e. jaw joint bones (incus, malleus incorporated in inner ear
2. why is an amniotic egg an important evolutionary
breakthrough?
a. permits internal fertilization to be replaced by external
fertilization b. has shell that increases gas exchange c. prolongs
embryonic development and juvenile stages d. provides insulation to
conserve heat for embryo to develop e. independence from aquatic
environment for embryo and juvenile stages
3. when australia isolated early on as pangea broke apart
shows
a. diversity of eutherians b. split between reptiles and
mammals c. origin of birds d. lack of eutherians e. origin of
monotremes
4. correct sequence from oldest to most recent for origins of
novel traits in chordate lineage?
a. pharyngeal slits, vertebrae, jaws, lungs, tetrapod, amniote
egg, milk
b. vertebrae, pharyngeal slits, jaws, lungs, tetrapod, amniote
egg, milk