Dr tatiana consider sperm shape first
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Unlike sperm number, the evolution of sperm size and shape is something we know little about. All we can say for sure is that sperm tend to be smaller and simpler in species where the eggs are fertilized outside the female's body. Consider sperm shape first. A conventional sperm looks like a tadpole, with a big head and.
What is true for human sperm is true for fly sperm | Kestrels and Cerevisiae
Description:Valentine Find articles by Katherine A. This paper is part of the Special Issue: Neurophysiological, psychological, and evolutionary perspectives. More papers from this issue can be found at www.