BIO120H1 Chapter Notes - Chapter 1: Surface Tension, Pincer Movement, George W. Bush
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BIO120H1 Full Course Notes
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Insects are arthropods: (arthro= joint); pod=leg) , animals with jointed legs. Natural selection and inheritance repeated until the advantageous trait is present in every individual: evolution: an adaptation is a tness enhancing trait that has spread through the population. Monday, november 13, 2017 due to natural selection (read rest in text) Adult butter y breaks out of cocoon and dries its wings. Adult butter y feeds on nectar from owers and reproduces: bene ts of complete metamorphosis, complete metamorphosis gives insects a signi cant survival advantage. Most of the 2000 species are found in the tropics: adults and juveniles feed on leaves, in one species, males are known to prefer longer females; as longer females produce more eggs; copulation can last over 100 hours. !3: females are capable of asexual reproduction (parthenogenesis); asexual eggs take longer to develop than fertilized eggs.