It describes the role of biological agents for controlling pests. It describes genetically modified organisms (using Bt microbe) and their uses as biocontrol agents.

There's something surprising that helps determine how damaging a disease is: distance.

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Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance of; r or growth rate, N or number of individuals in the population, and K the...

Hank shares news about two unusual animals in crisis: the saiga, which have lost about half of their total population in the past month, and the smalltooth sawfish which has been found to reproduce in the wild, without sex.

Rounding | Numbers | Maths | FuseSchool Welcome to our video on Rounding. We are going to cover two types of rounding, to decimal places and to significant figures. Let's start with a little rule first. The basics of rounding dictate...

Subscribe to Button! New video dailyef='http://bit.ly/buttonpoetry' target='_bBrown rel='nofollow'>daily If ySlamFind this poem, check out Ariana Brown Filmed in...