21. MicroRNAs feature in the genomes of most eukaryotic organisms, from the brown algae to the animals. 22. The overall physical appearance of the holdfast differs among various brown algae and among various substrates. 23. "' Tilopteridales "'is an order of brown algae ( class Phaeophyceae ) with isomorphic alternation of generations. 24. Fucoxanthin is isolated from a brown algae which has been reported to be a popular health food. 25. He is known for his investigations of Phaeophyceae, being a taxonomic authority of numerous brown algae species. 26. "' Ectocarpene "'is a sexual attractant, or pheromone, found with several species of brown algae ( Phaeophyceae ). 27. They also produce a specific type of tannin called phlorotannins, but in lower amount than brown algae do. 28. They say the chemical also is killing the brown algae that form the base of the Everglades'food chain. 29. Patterns of distribution and abundance of large brown algae and invertebrate herbivores in subtidal regions of northern New Zealand. 30. These are specialized heterokont algae, related to golden algae, diatoms, brown algae , and the like, which have microtubule-supported tentacles.
