BIO153H5 Lecture Notes - Lecture 13: Eurasian Blackcap, Thomas Robert Malthus, Beagle
Document Summary
Evolution : is the change in traits of organisms over many generations . this is due to genetic inheritance. Evolution can occur when there is a change in the gene frequency within a gene population. these genetic variations are heritable and can be passed on overtime. Beetle has 2 special glands and a reaction centre located at its abdomen, it releases a chemical spray , containg catalase, hydrogen perioxide that result in a complex chemical reactin and audible popping explosion of 100 degree noxious spray. Then bombardiar beetles have many close relatives that were illustrated three key observations about life. Striking ways in which organisms are suited for life in their environments. Many shared characteristics on unity of life. Darwin was a naturalist research on the diversity of life , during the voyage of the beagle , he had observed the specimen and characteristics of the plant and animals that made them well suited for the environment.
