What is Taxonomy?
Taxonomy is a biological science which deals with the identification, nomenclature and classification of organisms.
What are lichens?
Lichens are compound plants as algae and fungi live together in close association, as a result of which both are benefited. This relationship is called symbiosis. They occur as greyish green growths on rocks, bark of the tree or on the ground.
What is notochord? What is its functions?
Notochord is a long rod-like support structure that runs along the back of the animals, separating the nervous tissue from the gut. It acts as a supporting structure by providing a place for muscles to attach for the ease of movement.