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Author Archives: Sekolah Victory Plus
Evidence of Evolution
“Ring” Species Capture Evolution’s Progress Geographically If separated for a sufficiently long enough time, two species will differentiate enough from each other due to mutation and selection that they will no longer interbreed. Ring species are a wonderful example of … Continue reading
Teachers guide: Biology from CSIRO
Teachers guide: Biology Share the wonder of life with your students. Our new curriculum-linked teachers guide is filled with classroom activities.
Properties of Water
Water is cohesive, that is it sticks to itself. So what happens when you wring out a washcloth in space? http://io9.com/watch-what-happens-when-you-wring-out-a-washcloth-in-sp-476159356
Evidence of Evolution ? 10 Vestigial Traits You Didn’t Know You Had
10 Vestigial Traits You Didn’t Know You Had Robert T. Gonzalez Humans have an amazing knack for clinging to the past. We all have traits or behaviors that suited our ancestors just fine, but no longer make any sense — … Continue reading
Understanding Evolution: What is Natural Selection?
“When it was introduced in the 1940s, penicillin was a miracle drug, especially effective at curing infections caused by the bacterium Staphylococcus aureus (“staph”). In 1941, the drug could wipe out every strain of staph in the world. Now, seventy … Continue reading
Awesome picture of a plant stoma
Caption: Plant stoma, coloured environmental scanning electron micrograph (ESEM). A stoma is a pore that regulates the exchange of gases and water vapour into and out of the plant. The highest concentration of stomata is found on the leaves of a … Continue reading
Posted in Biology
Tagged lpants, nature, Plants, scanning electron micrograph, Science, stoma, stomata, Topic 11
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9.1 Plant structure and growth
9.1.1 Draw and label plan diagrams to show the distribution of tissues in the stem and leaf of a dicotyledonous plant. diagram from from http://www.emc.maricopa.edu/faculty/farabee/biobk/leafstru.gif
Posted in AHL, Biology
Tagged AHL IB Biology, floral organs, leaf tissues, monocotyledonous plants, Plant Science, Topic 11, transportation, xylem phloem
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IB Biology @ Global Jaya 
