Unlike all other algae, they have no cell wall. Most euglenoids make their own food using light energy from the Sun but are capable of surviving in the dark if fed organic materials. Some species are heterotrophic, meaning they do not produce their own food but feed on organic matter suspended in the water. Golden-brown algae (Chrysophyta). The Chrysophyta, or golden-brown algae and diatoms, are named for the yellow pigments they possess.
Complete an undergraduate degree in a broad field. To qualify for a PhD program, you will need a solid record of undergraduate coursework from a reputable university. This degree should demonstrate your potential for both advanced coursework and independent research.
A PhD, short for Doctor of Philosophy, may help you secure a position as a college or university professor, a researcher in a government or industrial laboratory, a consultant, or an independent practitioner. The best way to prepare for your defense is to know your dissertation and your research inside and out. 2  At a successful defense, you'll need to present yourself and your work well both orally and in writing to earn recognition as a PhD candidate and a researcher.