Plant organ : stem : : Animal organ : _________.

Gibberelins induce stem elongation in _______ plants.

Animals which eat both plants and animal_______________.

Define vestigial organs. Write name of some vestigial organs in human body and write the names of those animals in whom same organs are functional.

Sudden appearance of vestigial organs in highly enlarged organisms ____

Arrange the following words in correct sequence : Tissues ,organ system , organism, cell, organ.

Complete the given analogy. Fish respiratory organ:Gills Bird's Breathing organ:____

Who classified all organisms into either animals or plants?

Which organ is a temporary endocrine organ?