Well-defined nucleus is absent in

Which among the following is exclusively marine?

Give the appropriate term for each of the following:
$(a)$ Complex sugar that makes the fungal cell wall
$(b)$ Exposed seeds
$(c)$ Blue-green algae
$(d)$ Basic unit of classification
$(e)$ Group of unicellular eukaryotic organisms

$(a)$ Give a difference between lizards and snakes.
$(b)$ Name the type of nutrition in fungi.

Which of the following is not an Annelid?

Identify the phylum of kingdom Animalia in which the animal has:
$(a)$ $A$ pseudocoelom
$(b)$ $A$ water-driven tube system
$(c)$ Jointed legs
$(d)$ Pores in the body leading to a canal system
$(e)$ Notochord at some stages of their life.