Sentences with phrase «raised tadpoles»

Now, developmental endocrinologist Tyrone Hayes and colleagues at the University of California, Berkeley, have raised tadpoles of the African clawed frog, Xenopus laevis — the lab rat of the amphibian world — in water with levels of atrazine varying from 0.01 to 200 parts per billion (ppb).

These small Chinese natives, which attract females by belting out quick chirps, dig deep caverns near ponds for shelter and raising tadpoles.

Not exact matches

Every love counts, the puppy you were givenAt six, the tadpoles that you tried to raise; Even your silly parents and the siblingsYou couldn't stand were loved on certain days.The first love of your adolescence, laterSpoken of slightingly as immature, The love of marriage, even if it endedIn....

The study consisted of an experiment developed in the Centre for Environmental Biology in Grândola (Portugal), where the larvae of the five populations were raised from tadpoles to metamorphosis in the presence or absence of the red swamp crayfish.

Xenopus show a stage - dependent phototropic behavior; premetamorphic tadpoles raised in a 12 - h light cycle prefer a white color background [18].