Answer in brief.

Distinguish between butterfly and bat with the help of four distinguishing properties.

Answer in brief.

a. Give scientific classification of shark upto class.

Answer in brief.

Write four distinguishing characters of phylum- Echinodermata.

Answer in brief.

To which phylum does Cockroach belong? Justify your answer with scientific reasons.

Give scientific reasons.

Though tortoise lives on land as well as in water, it cannot be included in class- Amphibia.