TY - GEN AU - Levitan,D R TI - Sperm velocity and longevity trade off each other and influence fertilization in the sea urchin Lytechinus variegatus SN - 0962-8452 PY - 2000///0627 KW - Animals KW - Female KW - Fertilization KW - physiology KW - Male KW - Sea Urchins KW - Sperm Motility KW - Spermatozoa N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1098/rspb.2000.1032 ER -