What is the main outcome of the gastrulation process in embryonic development
:The formation of the three primary germ layers
Which of the following is NOT a function of fertilization in embryonic development
To form the blastocyst
What is the process of differentiation in embryonic development
The process by which unspecialized cells become specialized cells
What is the first event that occurs after fertilization in the embryo
Cleavage
During cleavage, what happens to the size of the embryo
The embryo does not grow in size
What is the term used to describe the solid ball of cells formed during cleavage
Morula
What is the function of the blastocoel in early development
It serves as a cavity within the morula before the formation of the blastula.
Which of the following is NOT a primary germ layer formed during gastrulation
Myoderm
Which of the following structures is derived from the ectoderm
nervous system
The mesoderm gives rise to which of the following structures
Muscles and skeleton
What does the endoderm primarily form in the developing embryo
Digestive tract and organs like the liver, pancreas, and gall bladder
What is the process called when ectodermal cells flatten and sink, forming the neural groove
Neurulation
What forms as a result of the neural folds fusing together during neurulation
Neural tube
What is the function of the notochord during organogenesis
To give rise to the intervertebral discs between the vertebrae
What structure is formed by the condensing blocks of mesoderm during organogenesis
somites
Which of the following is the first organ to take shape during organogenesis
neural tube
The archenteron formed during gastrulation eventually becomes which of the following
The digestive tract
What does the blastopore form in deuterostomes
The anus
In which stage of development do the three primary germ layers (ectoderm, mesoderm, and endoderm) form
Gastrulation
What is the purpose of the somites during organogenesis
to give rise to muscles and bones