In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.
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Vocal chords in women are _______________ than vocal chords in men.
Which of the following is not a plant hormone?
Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?
Molecular clocks are based on the idea that _____.
Among plants, three different genera Solanum, Petunia and Datura are placed in which family?
___________ being a higher category, is the assemblage of families which exhibit a few similar characters.
Why do the desert plants take up the carbon dioxide for photosynthesis at night?