Bee (logo): Louise Docker, CC BY 2.0, original source here

Sunset (A Vision for BIO): via Pablo by Buffer

Pond (A Vision for BIO): Credit: Aaron M. Ellison, Harvard Forest, 2000. Pitcher plants as models for ecosystem change (Image 4) http://go.usa.gov/3D27P

Plants (Understanding the Rules of Life: Examining the Role of Team Science): via Pablo by Buffer