Standing crop, The biomass of producers present in a given area of an ecosystem at a particular moment in time. 

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#Unit 5. Developmental Biology

The homologue of TGF-β in Drosophila is Dpp.

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#Unit 7. System Physiology – Animal

Lactotropes -Prolactin (PRL)  promotes mammary gland development and milk production.

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#Unit 6. System Physiology – Plant

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

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#Unit 3. Fundamental Processes

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#Unit 10. Ecological Principles

Species diversity - Number of species

Western Ghats have greater amphibian species diversity than the Eastern Ghats. 

The overall richness of species is concentrated in equatorial regions and tends to decrease as one moves from equatorial to polar regions.India has 390 different mammals (rated eight highest in the world); 1,232 species of birds (eighth in the world); 456 species of reptiles (fifth in the world) and 45,000 plant species, of which most are angiosperms, (fifteenth in the world)