| Description |
Studies a green alga Volvox carteri f. nagariensis as a basis for understanding the growth and differentiation of other organisms. Focuses on the developmental stages of male, female, and asexual embryos. Separates gonidia from the parent spheroids to show development of asexual and female embryos, including cell divisions, differentiation into somatic and reproductive cells, inversion of the spheroids, release of male sperm packets and their penetration of the female, followed by germination of the zygote and subsequent development of the zoospore into a Volvox spheroid.
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