___ is known as a disease mostly caused by occupational health hazards.
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Which of the following animal is not triploblastic?
Anaemic condition is due to
___ is a multicellular organism.
Which type of reproduction allows for greater variation to be generated?
Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.
Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
_____ is a part of the male reproductive system in plants.