Sentences with phrase «copulating directly»
The Dawn of the Deed By John A. Long When paleontologist Long spotted a set of tiny bones inside a 380 - million - year - old fossilized fish, he not only discovered the oldest known embryos, he also found the earliest known evidence of animals copulating directly, rather than releasing sperm and eggs to meet in the open sea.
http://discovermagazine.com/ Not exact matches
«Few species emit courtship calls directly before copulating,» says Yorzinski, now at Purdue University.