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What does the archenteron become in the adult?
The archenteron, which develops into the digestive system of an animal, is formed during gastrulation, the process by which the cells of a blastula are partitioned into three separate germ layers.
What is the fate of archenteron?
In embryonic development, the archenteron eventually develops into the digestive tract of the organism. It goes through a process called gastrulation where it forms the primitive gut tube. This gut tube gives rise to the organs of the digestive system, such as the stomach, intestines, and associated structures.
Why is digestive system different in various organisms?
Each animal species has its own digestive system suited for its own needs, diet, and enviroment. Adaptation and evolution has changed the animals digestive system for its own benifit.
Do all organisms start out as embryos?
No, not all organisms start out as embryos. Embryos are typically seen in higher animals that undergo sexual reproduction, where a fertilized egg develops into an organism. Organisms like bacteria and protists reproduce asexually and do not have an embryonic stage in their life cycle.
What is external covering?
An external covering is a covering that is on the outside of an object. This could be anything from skin on humans to hard coverings like those on amoebas, fur on animals like bats, and scales on reptiles.
Do arthropods develop from three embryonic germ layers?
Yes, arthropods develop from three embryonic germ layers: ectoderm, mesoderm, and endoderm. The ectoderm forms the outer body covering and nervous system, the mesoderm gives rise to muscles and the circulatory system, and the endoderm develops into the digestive tract. This triploblastic organization is a characteristic feature of bilaterian animals, which includes arthropods.
Which group of animals do not have a outer covering?
Amphibians do not have outer covering.
Is poop fungus?
No, poop is not fungus. Poop is the waste material produced by the digestive system of animals. Fungus is a separate kingdom of organisms that includes molds and mushrooms.
What animals has tha shell covering?
Many marine animals have a shell covering. A few of these animals are snails, shellfish, crabs, tortoises, turtles, and the like.
What is the hard outer covering that supports and protects some animals without backbone?
exskeleton
Is a animal prokaryote?
Animals are not prokaryotes.They are eukaryotic organisms.
Are animals organsims?
yes animals are organisms :) *<:[}
