Investment in testes and the cost of making long sperm in Drosophila

Medicine & Life Sciences

• Drosophila 79%
• Spermatozoa 79%
• Testis 75%
• Costs and Cost Analysis 52%
• Sperm Count 34%
• Invertebrates 21%
• Vertebrates 16%
• Copulation 14%
• Breeding 10%
• Body Size 10%
• Regression Analysis 6%

Agriculture & Biology

• Drosophila 72%
• testes 70%
• spermatozoa 62%
• invertebrates 11%
• vertebrates 10%
• allometry 8%
• copulation 7%
• interspecific variation 6%
• body size 5%
• breeding 4%
• phylogeny 4%

Earth & Environmental Sciences

• sperm 100%
• cost 43%
• body mass 23%
• vertebrate 12%
• invertebrate 12%
• copulation 11%
• interspecific variation 10%
• reproductive strategy 9%
• allometry 9%
• body size 7%
• energetics 6%
• phylogenetics 5%
• effect 1%