Have a look at this amazing 4 minute video on how the reintroduction of wolves into Yellowstone National Park in California has had a phenomenal effect on the whole ecosystem - including chnaging the direction of the river!
Charles Darwin was born on this day in 1809. Do you have any evolution questions?
All the notes from previous classes are written under the "Classes" tab above. Visit that page to catch up on classwork or to download notes that you missed from the classes.
By now, many of you (Junior Cert science students) will have started your coursework B investigations. Just to recap, here they are here again:
Remember some important points before you conduct your experiments:
When conducting your experiment remember these important points:
After you have finished your experiment remember these important points:
Bish 5th year Biology students conducted a basic gel electrophoresis experiment today.
They used food colouring in glycerine rather than DNA samples.
Second year science students using red cabbage as an indicator to test the acidity/basicity of various solutions today in science class.
A mule is the offspring of a male donkey and a female horse. A donkey has 62 chromosomes and a horse has 64 chromosomes. How many chromosomes do you think a mule has?
Mules are generally infertile. Explain.
[Answers and explanations will be posted here in a few days]