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.
Most institutions require that candidates hold an honors degree or a masterâs degree with high academic standing, along with a bachelorâs degree with at least upper second-class honors. In some cases, you can also apply for a PhD simply on the basis of your masterâs degree grades.n general, however, the PhD is the highest level of degree a student can achieve (with some exceptions, which are covered below). It usually follows a masterâs degree, although some institutions also allow students to progress straight to a PhD from their bachelorâs degree.