Identify and write the names of the parts labeled as $A, B, C$ and $D$ in the given figure of a seahorse in your answer book.

Identify the phylum for the following characteristics given:
$(a)$ Organisms with jointed appendages.
$(b)$ Organisms are generally flatworms.
$(c)$ Body is segmented.
$(d)$ Skin of organisms is full of spikes.

How are fungi similar and dissimilar to plants?

Identify the animal and plant groups having:
$(a)$ Animals without tissues,body bearing pores.
$(b)$ Plant body differentiated into roots,stems and leaves but do not produce seeds.
$(c)$ Body dorsoventrally flattened without coelom.
$(d)$ Segmented worms with true body cavity with extensive organ differentiation.

State reasons for the following:
$(a)$ Protists have appendages like cilia or flagella.
$(b)$ Angiosperms are called so.
$(c)$ Fish have scales on their body.

Homo sapiens is the scientific name of human beings. What do these two terms imply?