No two different species can share the same niche but can have similar niches,  this is because of competition for resources like food, space etc

Two species cannot coexist permanently in a community if their niches are  identical

TLS Online TPP Program

#Id: 10808

#XL - R Botany

Various nitrogenous protective compounds other than alkaloids are found in plants.

Two groups of these substances— cyanogenic glycosides and glucosinolates—are not in themselves toxic but are readily broken down to give off volatile poisons when the plant is crushed

TLS Online TPP Program

#Id: 9802

#XL - R Botany

TLS Online TPP Program

#Id: 9156

#XL - T Zoology

TLS Online TPP Program

#Id: 9841

#XL - R Botany

Three distinct classes of photoreceptors mediate the effects of UV-A/blue light (320–500 nm): the cryptochromes, phototropins and the ZEITLUPE (ZTL) family of proteins

TLS Online TPP Program

#Id: 10077

#XL - T Zoology

An integrin molecule is composed of two noncovalently associated transmembrane glycoprotein subunits called α and β.