BIOL 3300 Study Guide - Yolk Sac, Kiwi, Parental Investment
Document Summary
Life history: aspects of the natural history of an organism that are related directly to survival and reproduction. Number and size of offspring (fecundity: as many offspring as you can for reproductive success. Longevity (life span: important especially when reproducing multiple times. Where is the energy going: maintenance, reproduction, storage, growth. If you put energy towards maintenance, there won"t be energy for reproduction. Energy allocation: totally energy = maintenance + storage + growth + reproduction. Trade-offs: resources used for one function cannot be used for another function. Larger the ring, the more it grew that year (relative width) Energy into either growth or reproduction, larger trees produced less cones. Be able to reproduce constantly and produce lots of high quality offspring. Live forever: these pictures are not actual perfect organisms. They do have certain characteristics though: egg of kiwi bird takes up 20% of female"s body weight.
