TLS Online TPP Program

#Question id: 9230


Brown-headed cowbirds utilize fragmented forests effectively by ________.

#9. Diversity of Life Forms
  1. feeding on the fruits of shrubs that tend to grow at the forest/open-field interface
  2. parasitizing the nests of forest birds and feeding on open-field insects
  3. consuming the eggs of other species as well as insects and seeds in open fields
  4. outcompeting other songbird species for access to nesting holes in old-growth trees