INVERTEBRATE DIVERSITY II-EXERCISE 8
Three dissected specimens: clam, earthworm and squid
External anatomy of three specimens: crayfish, grasshopper and spider
Two Slides: cross section of an earthworm, snail radula
-What are the characteristics of a protostome? Deuterostome?
-Which organisms that we studied are protostomes? Deuterostomes?
-What is spiral cleavage? Radial cleavage?
-What is a blastopore? What does it become in a protostome? Deuterostome?
-What is indeterminate cleavage? Determinate cleavage?
-What is schizocoelous development? Enterocoelous development?
-Which organisms that we studied in this lab are triploblastic? Diploblastic?
-What type of symmetry do the organisms that we studied in class have?
-All of the organisms that we are studying in the second half of the semester (exercises 7-13) belong to
which domain? Which kingdom?
-Which organisms that we looked at in class are monoecious? Dioecious? Hermaphroditic?
-What type of locomotion do the organisms that we looked at in class possess? (sessile?)
-What type of feeding do the organisms that we looked at in class utilize? (filter feeders? Use tentacles? Etc.)