The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.

TLS Online TPP Program

#Question id: 10776

#SCPH05 I Biotechnology

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________

TLS Online TPP Program

#Question id: 10777

#I Life Science/ Life Sciences Group – I-V

Why pyrethroids are synthetically and commercially viable and applicable ?

TLS Online TPP Program

#Question id: 10777

#SCPH05 I Biotechnology

Why pyrethroids are synthetically and commercially viable and applicable ?

TLS Online TPP Program

#Question id: 10778

#I Life Science/ Life Sciences Group – I-V

Essential oils are the mixture of volatile,

TLS Online TPP Program

#Question id: 10778

#SCPH05 I Biotechnology

Essential oils are the mixture of volatile,

TLS Online TPP Program

#Question id: 10779

#I Life Science/ Life Sciences Group – I-V

As plants absorb water from the soil, they deplete the soil of water near the surface of the roots, This depletion due to