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Currently, the representative transitional fossil between fishes and amphibians (or water and land) is 

Which is an example of neoteny in primates?

After a starfish/sea star has lost an arm, ________ will most likely occur.

Leeches produce an anticoagulant substance that prevents clot formation and allows continuous flow of blood even after leech has detached from the tissue that it was feeding on, this substance is called________

In Mollusca, which structure is responsible for secreting and lining the shell of the animal? 

Organisms in this class are made of spongin, sometimes with silicon dioxide spicules and have the leuconoid body plant. 

Class Crustacea has a representative that removes the tongue of the fish and replaces it with itself AKA the tongue eating louse.  This animals belong to order ______

Animals that belong to the Class Agnatha that produce large amount of slime as a defense mechanism are________

Limulus Amoebocyte Lysate (LAL) is used to identify bacterial contamination in vaccines and injectable drugs.  This compound is extracted from ______

This Mollusk belongs to class