Give one example of each of the following

Give one example of each of the following:
(i) A reptile with four-chambered heart.
(ii) An egg laying mammal.
(iii) A fish with a skeleton made entirely of cartilage.
(iv) Some fungal species live in permanent mutually dependent relationship with blue-green algae (cyanobacteria).
(v) Amphibian of the plant kingdom.

(i) Crocodile is a reptile with four-chambered heart.
(ii) Echidna is an egg laying mammal.
(iii) Scoliodon is a fish with a cartilaginous skeleton.
(iv) Lichen is the mutually dependent relationship of cyanobacteria and fungi.
(v) Marchantia is a bryophyte (i.e. amphibian of plant kingdom).