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What are the advantages and disadvantages of direct and indirect development?
Direct development allows for faster growth and adaptation to changing conditions, as the organism undergoes minimal changes during development. However, indirect development can provide greater opportunities for dispersal and colonization of new habitats due to the presence of a dispersal stage. On the other hand, indirect development typically requires more resources and time to complete compared to direct development.
What is the fusion of male and female pronuclei?
The fusion of male and female pronuclei during fertilization results in the formation of a zygote, which contains the complete set of chromosomes needed for the development of a new organism. This process is essential for the combination of genetic material from both parents and the initiation of embryonic development.
What Animal that has notochord a nerve cord and pharyngeal pouches at some time during its development?
An example of an animal that has a notochord, nerve cord, and pharyngeal pouches at some point during its development is a chordate, such as a human. In embryonic development, humans possess these structures, which are characteristics of chordates.
Does a zygote undergo mitosis during the development of the embryo?
Yes, a zygote undergoes mitosis during the development of the embryo. After fertilization, the zygote divides through a series of mitotic divisions, leading to the formation of a multicellular structure known as a blastocyst. This process of cell division is essential for the growth and development of the embryo as it establishes the foundation for further differentiation and organ development.
What two molecules are left after the complete breakdown of glucose during respiration?
The two molecules left after the complete breakdown of glucose during respiration are carbon dioxide (CO2) and water (H2O).
At what stage of development does the nervous system begin to form?
The nervous system begins to form during the third week of embryonic development.
At what stage of development does a fetus develop a nervous system?
A fetus develops a nervous system during the embryonic stage of development, which occurs around the 3rd to 8th week of pregnancy.
At what stage of development does a fetus develop its nervous system?
The nervous system of a fetus begins to develop during the first trimester of pregnancy.
When is the nervous system most susceptible to damage by environmental factors during the development of the embryo?
during the cleavage stage
What happens during the neurula stage?
The neurula stage is the stage of development of the nervous system of vertebrates. In a human fetus, if there are some failure in the development of the nervous system during the neurula stage, some serious birth defects could occur.
What germ layer is nervous tissue found?
Nervous tissue is derived from the ectoderm germ layer during embryonic development.
The development of the system is particularly dependent on an adequate consumption of fat during the infant and toddler years?
nervous system
During which stage of a group development does a group complete its work and disband?
Execution
During which stage of group development does a group complete its work and disband?
Execution
Which germ layer do the cells of the nervous system differentiate?
Cells of the nervous system differentiate from the ectoderm germ layer during embryonic development. The ectoderm gives rise to not only the nervous system, but also to structures such as the skin and hair.
Which stage of group development does a group complete work and disband?
It is during the "adjourning stage" of group development that a group completes its work and disbands.
When during childhood is personality development nearly complete?
There are different stages in the development of childhood personalities. They begin in Infancy, then Toddlerhood, Preschool, School Age, and finally Adolescence.
