Concept explainers
To distinguish: Among alveolates such as dinoflagellates, apicomplexans, and ciliates.
Introduction: Alveolates are referred to as subgroup of protists. Protists are present in huge numbers and are crucial for maintaining the natural balance of the living world. Different protists have different body structures. Chromalveolates refer to a super-group of protists, which originated due to secondary endosymbiosis. In this endosymbiosis, an ancestral cell engulfed a red alga giving rise to chromalveolates. Chromalveolates are further divided into two main groups, one of which is alveolates and the other one is stramenopiles.
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Chapter 26 Solutions
Mindtap Biology, 1 Term (6 Months) Printed Access Card For Solomon/martin/martin/berg's Biology, 11th
- Clapter 4. Define and identify properties of biofilms Familiarize yourself with the following structures and what purpose(s) they se o Glycocalyx (both slime layer and capsule) Fimbriae o Flagella, distinguish the different flagella arrangements axial filament sex pili cell wall plasma membrane inclusions ribosomes plasmids nucleoid chromosome o endospores What characteristics distinguish the Domain Archaea and Domain Bacteria? Regarding cellwall hp O o 0 O O 0 0 oarrow_forwardDifferentiate the functions of the macro-and micronuclei of ciliates. What is the advantage of having dimorphic nuclei as compared to the monomorphic nucleus of other protozoans? Apicomplexans are widespread and common parasites of worms, echinoderms, insects, and vertebrates (including humans). What characteristics do these protozoans have that make them highly infective (efficient as parasites)? How can foram fossils provide clues about past cold and warm periods, and global temperature change? What characteristics separate Euglenozoans from Chlorophytes (i.e., Volvox, green algae)?arrow_forwardMacrocystis is a genus of kelp (large brown algae) that includes species having extremely longstipes (up to 60 meters) and floating structures containing gas (pneumatocysts) at the base of theblades. What might the purpose of the long stipes and pneumatocysts be?arrow_forward
- Explain the following term : pedicellariae, madreporite, respiratory tree, Aristotle’s lantern, papulae, Cuvierian tubules.arrow_forwardDescribe the identifying features of Anthozoa, Cubozoa, Hydrozoa and Scyphozoa. (These are the major cnidarian classes)arrow_forwardSome literature lists the 4 groups of protozoans as: 1) Flagellates 2) Amoebas 3) Ciliates 4) Sporozoans But other sources list the 4 groups as: 1) Flagellates 2) Amoebas 3) Heliozoans 4) Ciliates Compare and contrast heliozoans vs. sporozoans. Explain why one would replace the other in literature sources.arrow_forward
- Visit: http://www.microscopy-uk.org.uk/index-no-ads.html 1. Where do you expect to find a non-flagellated alga? 2. Find Spirogyra. Is it single-celled or multicellular? How does it stay at the surface of the water column? Why would this adaptation be necessary?arrow_forwardexplain How can one distinguish a filamentous fungus from a colorless alga?arrow_forwardThe paraphyletic phylum Choanozoa contains chytrid zoospores and human sperm, among many other creatures. What are some important aspects of the group, in terms of its evolutionary significance?arrow_forward
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning