BIO120H1 Chapter Notes - Chapter Lab 1: Reduviidae, Natural Selection, Body Plan

• School: UTSG
• Department: Biology
• Course: BIO120H1
• Professor: Frederickson M. Wright S.

Document Summary

Bio120: adaptation and biodiversity lab manual (chapter 1 insect. Insect species have evolved remarkable adaptations; traits contributing to fitness by increasing organism"s chances of surviving and reproducing. Living organisms exhibit variety of shapes, sizes, colours, organs, ways of life, and behaviours all living forms have descended from a common ancestor. How living forms diverged and diversified to present forms is important question for biological research. Insects are arthropods; animals with jointed legs basic insect body includes three main sections: head, thorax and abdomen; from thorax extend three pairs of legs and usually one or two pairs of wings. Insects found in every habitat on earth; exhibit a variety of lifestyles, behaviours and bodily structures. A trait, characteristic that contributes to fitness by improving individual"s chances of surviving or reproducing. Adaptation can be a physical feature of body, or a behavior. Biologists use term adaptation in two ways: an adaptation is a trait, to adapt.