Twins with two sacs and one placenta, known as monochorionic diamniotic twins, share a placenta but have separate sacs. This type of twin development carries a higher risk of complications compared to twins with separate placentas, known as dichorionic diamniotic twins. The shared placenta in monochorionic twins can lead to potential issues such as unequal sharing of nutrients and blood flow, which may require closer monitoring and medical intervention during pregnancy.
In identical twins, the development of the placenta is usually shared, meaning they both share one placenta. In non-identical twins, each twin typically has their own separate placenta.
Chicken embryos and human embryos have key differences in their development and structure. One major difference is that chicken embryos develop outside the mother's body in an egg, while human embryos develop inside the mother's womb. Additionally, the structures of the two embryos differ, with chicken embryos having a yolk sac for nutrition and a hard shell for protection, while human embryos rely on the mother's placenta for nutrition and protection. Overall, these differences reflect the unique evolutionary adaptations of each species for embryonic development.
Newborn crickets differ from adult crickets in behavior and development. Newborn crickets are smaller, less mobile, and rely on their parents for care. They go through several molts to grow and develop into adult crickets. Adult crickets are larger, more active, and capable of reproduction. They exhibit mating behaviors and are independent in finding food and shelter.
Red light and blue light have different effects on plant growth and development. Red light promotes flowering and fruiting, while blue light stimulates vegetative growth and leaf development. Plants use these different light wavelengths to regulate various physiological processes, ultimately influencing their overall growth and development.
Mitosis is the process of dividing the nucleus of a cell into two identical daughter nuclei, while cytokinesis is the division of the cytoplasm to create two separate daughter cells. Mitosis involves the separation of chromosomes, while cytokinesis involves the physical splitting of the cell into two separate entities.
In identical twins, the development of the placenta is usually shared, meaning they both share one placenta. In non-identical twins, each twin typically has their own separate placenta.
They are thought to have separate paths of evolutionary development.
Growth is the process of becoming larger. Development is the process of becoming more complex.
The organizational chart is a reflection of the completed and implemented organizational development.
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Placental mammals give birth to live young, which, during development, are nourished by a placenta. Marsupials give birth to very tiny, undeveloped offspring, which they then shelter in a pouch until the baby has developed more fully. Monotremes are mammals that lay eggs, and the only existing types are the platypus and the echidna.
childhood
Depending on the context of the word, growth and development can mean pretty much the same thing - they're synonyms.
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Bacterial cells have a simpler structure. They do not have a separate nucleus or organelles like mitochondria or chloroplasts.