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TLS Online TPP Program

#Id: 7039

Gradualism is Darwin’s proposition that the differences between even radically different organisms have evolved by small steps through intermediate forms, not by leaps

#XL - T Zoology #Emergence of evolutionary thoughts #Part B Pointers
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TLS Online TPP Program

#Id: 9421

#XL - T Zoology

Handicap principle: Long tail feathers function as a sign of an individual’s genetic quality because the bearer must be able to afford this energetically costly trait. 
TLS Online TPP Program

#Id: 10304

#XL - Q Biochemistry

Negative costimulation
TLS Online TPP Program

#Id: 8028

#XL - Q Biochemistry
TLS Online TPP Program

#Id: 8125

#XL - Q Biochemistry

Steroids derived from cholesterol.
TLS Online TPP Program

#Id: 9877

#XL - T Zoology

Chemical barriers at these surfaces include specialized soluble substances that possess antimicrobial activity as well as acid pH.