Examlex
Who is perhaps the best known ecologist of our time, and what did he primarily study throughout his career?
Fetus
The stage of life from 8 weeks of gestation to birth.
Blastocyst
An early stage of embryonic development that consists of a sphere of cells surrounding a fluid-filled cavity and the inner cell mass that will eventually develop into a fetus.
Diploid Zygote
A fertilized egg cell that has two sets of chromosomes, one from each parent, initiating development of a new organism.
Acrosomal Reaction
A process during fertilization where the sperm's acrosome releases enzymes to penetrate the egg's outer layer.
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