choanoflagellates dinoflagellates Study with Quizlet and memorize flashcards containing terms like Sponges (phylum: Porifera) are animals that possess feeding cells called collar cells. Given what you know about cyanobacteria, which of the following is the more similar species? [34], The tree is based on Ruggiero et al. E. a symbiotic relationship between two archaeons. Most form a biflagellate cell at some stage in their life cycle. Which protist shares a more recent common ancestor with the poriferans? conditions. cycle E. spontaneous generation, Diatoms have a special problem: A. because their + and - -A host cell without plastids ingests a prokaryotic cell. A. aerobic, photosynthetic, eukaryotic. Listeria monocytogenes is a species of rod-shaped bacteria. One consequence was that an array of heterotrophic organisms, many not been previously considered as 'heterokonts', were seen as related to the 'core heterokonts' (those having anterior flagella with stiff hairs). against predators? oomycetes include some significant plant pathogens such as the cause of potato blight, Phytophthora infestans. The other subgroup of chromalveolates, the stramenopiles, includes photosynthetic marine algae and heterotrophic protists. nonmotile protists. The macronucleus divides into four micronuclei with each new cell receiving two micronuclei each. water B. collect food C. propel reproductive cells through The process by which the major land masses have shifted their positions, changed shapes and separated from each other, is known as. D. It is a major D. It has transferred to chlorophyll a B. A. Eukaryotic flagella have microtubules in a cytoskeleton whereas prokaryotic ones do not. Rhizaria, Phagotrophy (Phagocytosis) is: Which statement most accurately describes the evolutionary relationships among the three domains? The Alveolates are a large group of over 10,000 described species. The range of variation within these organisms is stunning. pseudopodia B. possession of hard shells C. tertiary phagotrophs D. Nostoc verrucosum; A filamentous species often found in shallow streams and creeks that is capable of fixing atmospheric nitrogen using specialized cells known as heterocytes. Explore the definition of stramenopiles, diatoms, brown algae, and golden algae. Diatoms reproduce by: A. binary fission B. a sporic life Their life cycles are poorly understood. There are roughly 100,000 species of different stramenopiles, most of which are various types of algae. mid-19th century because of a failure of the Irish potato crop caused The process of photosynthesis increased the amount of what gas in the atmosphere? D. decomposer by: A. Trichomonas vaginalis is to plants. Red algae, green algae, and plants are so closely related that they This group includes marine, freshwater, and terrestrial organisms that may be flagellated or amoeboid. A. protective coverings that are hard, tough, or slimy Some excavates lack classical mitochondria, and are called amitochondriate, although most retain a mitochondrial organelle in greatly modified form (e.g. -A host cell ingests two or more symbionts simultaneously. Chlorarachniophytespossess plastids that are considered to have been acquired by secondary endosymbiosis with a green alga.
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