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.
Time until immobilization (Timm) tested under short-term (8 h, (a)) and long-term (one generation, (b)) nutritional manipulation. Black/white symbols as in figure 1. Solid black or white, Daphnia fed at high food level; cross-hatched pattern, Daphnia fed limited food.
