12 Questions
What is the specialized portion of egg cytoplasm called that gives rise to cells precursors of gametes?
Germ cells
Which cells contribute to the formation of a new generation in animal development?
Germ cells
In animal development, what is the term used for cells that give rise to the individual body?
Somatic cells
What process is called the development of gametes?
Gametogenesis
Which stage of life in many species is often used for feeding or dispersal?
Larval stage
In silkworm moths, what is the main purpose of the adult stage?
Mating and reproduction
What is the main distinguishing feature of the blastula stage?
Presence of blastomeres
Which process leads to the formation of three germ layers during embryonic development?
Gastrulation
During which stage of animal development do cells interact with each other to produce tissues and organs?
Organogenesis
Which germ layer gives rise to the outer layer of skin?
Ectoderm
What is the result of dramatic cell rearrangements during gastrulation?
Establishment of germ layers
In which stage do certain cells migrate from their original location to their final location?
Organogenesis
Explore the various stages of animal development, including cleavage, blastomeres, and embryogenesis. Learn about the different patterns of embryonic development found throughout the animal kingdom.
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