[DOC] [TLE] Chicken Egg Development - EnchantedLearning.com [PAR] Egg and Embryo Development ... The Yolk: The chicken egg starts as an egg yolk 
inside a hen. A yolk (called an ... As the embryo grows, its primary food source is 
the yolk. ... The yolk contains the food that will nourish the embryo as it grows. [DOC] [TLE] Nutrition of the Developing Embryo and Hatchling - Poultry Science [PAR] Egg mass, its interior quality, and turning during early incubation directly ... acids, 
used as the primary source of energy and the basis for embryo development. [DOC] [TLE] 1 to 2 Weeks | Prenatal Overview [PAR] The primary event of the second week is implantation. ... is a structure that 
provides nutrients from the mother to the embryo before the placenta is ready to 
function. ... Approximately 8 days after fertilization, cells from the growing embryo 
begin ... HCG is commonly called the pregnancy hormone and its detection is the 
most... [DOC] [TLE] Embryo Development; Stages & Processes of Incubation - AvianWeb [PAR] The yolk is the primary food source for the growing embryo. ... After the chick 
pierces the air cell with its beak, pulmonary respiration commences. ... encloses 
the yolk of eggs and circulates nourishment from the yolk to the developing 
embryo. [DOC] [TLE] NOVA | Transcripts | Life's Greatest Miracle | PBS [PAR] Nov 20, 2001 ... Major funding for NOVA is provided by the Park Foundation, dedicated to .... But 
Melinda created all her eggs when she looked like this, a fetus in her mother's 
womb. ... When it's ready, the whole entouragethe egg along with its .... things 
to survive: break out of the zona and find a source of nourishment. [DOC] [TLE] Early Development - Shmoop Biology [PAR] Learning and teaching resource for Early Development written by PhD students 
from Stanford ... The egg contains stores of nutrition that give the embryo energy. [DOC] [TLE] Egg as food - Wikipedia [PAR] Eggs are laid by female animals of many different species, including birds, 
reptiles, amphibians ... The chicken was probably domesticated for its eggs from 
jungle fowl native to ... around 800 BCE, where the quail had been the primary 
source of eggs. ..... Fertile eggs will not contain a developed embryo, as 
refrigeration... [DOC] [TLE] From Egg to Chick: Development and Preservation of Embryos [PAR] When the egg is laid and its temperature drops below about 80o F (27 C), cell 
development ... They are mainly respiration, excretion, nutrition, and protection. [DOC] [TLE] External and Internal Fertilization - Boundless [PAR] External fertilization is characterized by the release of both sperm and eggs into 
... eggs are retained in the female, but the embryo obtains its nourishment from 
the .... Sources. Boundless vets and curates high-quality, openly licensed content
... [DOC] [TLE] How do eggs form inside a chicken? - Quora [PAR] What I've written here is a bit oversimplified, but it should give the basic idea. A 
female chick is ... is the egg yolk; it is intended to be nourishment for a developing 
embryo, and is ... As the embryo grows, its primary food source is the yolk. [DOC] [TLE] Chapter 29 - Palm Beach State College [PAR] Describe the major events that transform a fertilized egg into an embryo. ... 
consists of three primary germ layers.  Ectoderm ... Releases its enzymes and 
digests a path through the zona ..... Becomes embryo's primary source of nutrition
. [DOC] [TLE] Chicken embryo utilization of egg micronutrients - SciELO [PAR] Amounts, but also forms, of nutrients deposited in the egg determine success of ... 
the egg; however, adequate oxygen concentrations in the surrounding air and its 
... The shell is the primary source of calcium for the developing chick embryo... [DOC] [TLE] EARLY EMBRYOLOGY [PAR] Reproduction starts with two cells, the sperm and egg - haploid cells formed ... 
the middle piece contains the primary power source of mitochondria that fuel the 
... lipids and protein for nutrients, along with enzymes needed to initiate 
development .... Neural crest and its derivatives: migrate through the embryo, 
giving rise to a... [DOC] [TLE] Yolk dictionary definition | yolk defined [PAR] yolk definition

Question: It's the primary source of nourishment for an embryo in an egg
Answer: a yolk