Answer in brief.a. Give scientific classification of shark upto class.b. Write four distinguishing characters of phylum- Echinodermata.c. Distinguish between butterfly and bat with the help of four distinguishing properties.d. To which phylum does Cockroach belong? Justify your answer with scientific reasons.

Answer in brief.a. Give scientific classification of shark upto class.

1.	Answer in brief.a. Give scientific classification of shark upto class.b. Write four distinguishing characters of phylum- Echinodermata.c. Distinguish between butterfly and bat with the help of four distinguishing properties.d. To which phylum does Cockroach belong? Justify your answer with scientific reasons.
Answer» Answer in brief. a. Give scientific classification of shark upto class. b. Write four distinguishing characters of phylum- Echinodermata. c. Distinguish between butterfly and bat with the help of four distinguishing properties. d. To which phylum does Cockroach belong? Justify your answer with scientific reasons.