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What is a two layer sac with an opening at one end formed in embryonic development?
Gastrula
Are bivalves protostomes or deuterostomes?
Bivalves are protostomes. They belong to the phylum Mollusca, which is characterized by protostome development. This means that during their embryonic development, the blastopore becomes the mouth.
What advance allowed reptiles to reproduce away from water?
The Amniotic egg. Remember, reptiles are believed to have evolved from amphibians. Where do amphibians lay there eggs? - The water. Why? because their eggs are soft. The reptiles are the first to lay the amniotic egg which has a hard shell. If an amphibian tried to lay its egg on land, gravity would squad it because an amphibian's egg is jelly like. With the hard shell of the amniotic egg, reptiles have greater change of reproduction.
Function of the oviduct?
The oviduct is a tube that serves to transport the egg from the ovary to the uterus. Fertilization usually occurs within the oviduct, and it also provides a suitable environment for early embryonic development. Additionally, the oviduct helps in the transportation of the embryo towards the uterus for implantation.
What is a determinate cleavage?
Determinate cleavage is a type of cleavage found in early embryonic development where the fate of each cell is fixed and determined early on. As cells divide, they become committed to specific developmental pathways, leading to the formation of distinct tissues and organs. This type of cleavage occurs in organisms with mosaic development.
How many cells do you start as in the process of embryonic development?
During the process of embryonic development, you start as a single cell called a zygote, which is formed when a sperm fertilizes an egg.
What does the neural tube develop into during embryonic development?
The neural tube develops into the brain and spinal cord during embryonic development.
Function of starfish egg cell?
The function of a starfish egg cell is to unite with a sperm cell during fertilization to form a new embryo. The egg cell contains the genetic information necessary for the development of the new organism.
What is the name for a Embryonic bird beak?
egg tooth
Find out the Life cycle of insects?
For example : Cockroach with 3stages , Dragonfly with 3stages and Mealworm Beetle with 3stages etc.....
What tells cells to differentiate during embryonic development?
The inheritance of an organism tells cells to differentiate during embryonic development.
What are the techniques to produce embryonic stem cells and embryonic germ cells?
Embryonic stem cells are typically derived from the inner cell mass of a blastocyst, a very early stage of embryonic development. This involves in vitro fertilization of an egg cell with sperm to form a zygote, which then develops into a blastocyst. Embryonic germ cells are derived from primordial germ cells found in the embryo. Techniques for producing these cells involve careful manipulation of embryonic development and culture conditions to isolate and maintain these specific cell types.
What type of embryonic development do porifera have?
Raskolnikov
What stage occurs between the 4 cell stage and 16 cell stage in embryonic development?
The stage that occurs between the 4-cell stage and the 16-cell stage in embryonic development is the morula stage. The morula is a solid ball of cells formed by multiple divisions of the fertilized egg.
7 letter word for embryonic ovum?
egg cell
What is an example of a embryonic plant?
Half boiled Egg !
What is the development at an early stage for humans pets and petunias called?
The development at an early stage for humans is called embryonic development, for pets is called embryonic or fetal development, and for petunias is called seed germination and seedling development.
