Fill in the Blanks A __________________ is a change of alternation in the DNA base repair sequence for a gene that can be caused by chemical, physical, and viral factors, etc. _________________ and _______________ are two different Classes of animals that possess a water vascular system
Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
Fill in the Blanks
A __________________ is a change of alternation in the DNA base repair sequence for a gene that can be caused by chemical, physical, and viral factors, etc.
_________________ and _______________ are two different Classes of animals that possess a water vascular system
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