Chapter 14 -- Exploitative Interactions




        The mustard Arabis holboellii . . . infected by Puccinia monoica . . . resulting in a pseudoflower.

Cactoblastis cactorum and Opuntia cactus
Cactus Moth Caterpillars [Cactoblastis cactorum]

Rabbit Papilloma Virus

 

 

 

 

 

 

 

 

 

 

 

 

 


The classic -- Canadian Lynx and Snowshoe Hares










REFUGES
       Spatial   
       Numerical
       Size


Unusual Predator/Prey Interaction

 

CHAPTER 15 -- Mutualisms

Pollination:  Who pollinates these flowers?

  1. 1.Insects (bees/wasps, beetles, butterflies/ moths, flies) -- diurnal or nocturnal;
    good chemical sense (smell) and good vision
  2. 2.Hummingbirds -- diurnal; poor sense of smell; good vision; broad color vision
  3. 3.Bats -- nocturnal; good sense of smell; decent vision
                . . . so . . .
 
What differences should there be in flowers pollinated by these different pollinators?


                           Costa Rica, Lantana,  Copyright James K. Adams, 1985


                                     Costa Rica, Hibiscus,  Copyright James K. Adams, 1985

   
                                           Mexico,  Copyright James K. Adams, 1988


                                                        Costa Rica,  Copyright James K. Adams, 1985


                                         Mexico, Agave, Copyright James K. Adams, 1988

  Bullhorn Acacia and Ants


                            Copyright Dan L. Perlman, 2005-2007





Helianthella and Ants



Crabs and Corals

 

 Orchids and orchid bees

Yucca and Yucca Moths