Web making in spiders

Spiders make silk in a special part of their body called a gland and use their legs to pull it out of their bodies. This is called spinning.

TLS Online TPP Program

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TLS Online TPP Program

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#XL - T Zoology

TLS Online TPP Program

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#XL - T Zoology

TLS Online TPP Program

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#XL - T Zoology

TLS Online TPP Program

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Loop method for inbreeding coefficient 

Summation of all possible loop (1/2)n

n= number of individuals in loop except than inbreeding

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Negative assortative mating

People only select mates who are phenotypically different from themselves for selective traits. 

Increases the frequency of heterozygous genotypes (Aa).