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: Embryo with curled body inside the egg case. B: Embryo facing the flat end of the egg case. C: Embryo tail pushed against arched wall of the egg case. D: Embryo pushed its body through the flat end of the egg case. E: Embryo swam out of the egg case.
