How can we differentiate Pteridophytes and Bryophytes.

Differentiate medusa and polyp.

Differentiate between zoospore and zygote.

In Bryophytes, the dominant phase in the life cycle is the the gametophyte plant. However in pteridophytes the main plant body is a sporophyte. How can we easily differentiate between the the sporophytes in bryophytes and pteridophytes.

How can you differentiate true fruits from false fruits?

How can you differentiate between addition and condensation polymerization?

Differentiate sorption and desorption ?

Differentiate antagonists and agonists.