Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A) Pollen forager bee with pollen-load (black arrow); B) SEM micrograph of the entire pollen-load (70×); C) higher magnification of the pollen-load (2000×); D) pollen grains of a mixed-species pollen-load (6000×).
