How To Study Living Animals


1. The Hen’s Egg
Materials.

Hen’s eggs, hydrochloric acid.

Definitions herunterladen.

Germ spot,

a white spot, imbedded in the “yolk.” This is the point at which development begins.

Yolk,

the yellow portion of a bird’s egg herunterladen. This is a food material, rich in fat.

Albumen,

the white, viscous portion of a bird’s egg.

Chalaza,

the spiral portion of albumen always seen in the bird’s egg microsoft office kostenlos downloaden vollversion deutsch chip.