Whatever their specialty, marine biologists must have knowledge in biology, chemistry, physics, geology, and ecology. They need active learning and listening, critical thinking, complex problem solving, speaking, and writing skills.
Here's the lowdown: Flea collars do kill fleas. However they do it slowly. It takes about 4 days for a flea collar to kill a flea. In that amount of time, the flea has laid about 400 eggs. Then mom and dad flea die.Now 2 weeks later 400 newly hatched fleas jump onto Fido or Mittens. The flea collar again kills the newly acquired fleas....in another 4 days.ere's the lowdown: Flea collars do kill fleas. However they do it slowly. It takes about 4 days for a flea collar to kill a flea. In that amount of time, the flea has laid about 400 eggs. Then mom and dad flea die.
With its unique patented technology, SerestoÂ® offers a breakthrough of eight months in flea and tick protection for dogs or cats. SerestoÂ® gives your clients the performance they expect from topicals, with the non-greasy convenience of an easy-to-use collar.