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1Describe 3 major differences between deuterostome and protostome development.


2Phyla Echinodermata and Chordata are protostomes.
A)True
B)False


3Echinoderms have an internal skeleton of calcareous plates called ________.


4In sea stars, the mouth is on the lower ________ surface and the anus is on the upper ________ surface.


5In sea stars, ________ are used for locomotion and to grip and pull apart prey such as clams.


6Sea urchins lack distinct arms, and their ossicles are fused into a solid shell called a ________.


7The mouth of a sea urchin contains five ossified plates used to scrape algae from rocks called an ________.


8How do sea cucumbers feed?


9What four characteristics do all chordates share?


10In subphylum Urochordata, the sieve-like basket perforated with pharyngeal gill slits that filters water is called a ________.


11The vertebrate ancestor probably had a similar body plan to a lancelet.
A)True
B)False


12In vertebrates, the notochord is replaced by the vertebral column.
A)True
B)False


13What does Class Agnatha lack that other vertebrate classes have?


14Cass Chondrichthyes have sense organ along the length of the body that is used to detect movement and vibration in the surrounding water called a ________.


15In class Osteichthyes, the gills are protected by a moveable gill cover called a ________.


16What is a notochord?


17Draw and label an amniotic egg. Describe the functions of the 4 membranes.


18Describe three adaptations to flight that birds possess.


19What are two unique characters of mammals?


20Which of the seven classes of vertebrates are aquatic? Which are terrestrial?


21Which of the terrestrial classes of vertebrates are poikilothermic, meaning their body temperature varies with the surrounding environment? Which are homeothermic, meaning they maintain a constant body temperature?


22Compare yourself to a beetle. Which significant evolutionary characteristics do you share and which do you not share?





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