Tabulate the similarities and differences of the two basal metazoan phyla. In what ways are Placozoa different (and similar) to Porifera? Provide at least 4 similarities and differences.
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Tabulate the similarities and differences of the two basal metazoan phyla. In what ways are Placozoa different (and similar) to Porifera?
Provide at least 4 similarities and differences.
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- What synapomorphies relatives of Metazoans? Choose all that apply. Both store energy as starch. Both produce cadherins, which form cell junctions. Both have a single, posterior flagella on their gametes. O Both produce the protein collagen Both store energy as glycogen. suggest that Fungi are closeDifferentiate 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)?identify the distinguishing characteristics of the phylum Cnidaria.Describe the three in this phylum and give an example of each class. class being : Hydrzoa Anthozoa Scyphozoa
- Placozoans are structurally simple. They have no mouth, gut, or nervous system and only a few distinct cell types. This simplicity is thought to be secondarily derived, because they have an asymmetrical adult stage. are composed of an upper and lower body surface that sandwiches a layer of contractile fibers. exhibit asexual and sexual reproduction. are sessile filter feeders. are found in tropical and subtropical oceans.A NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA B GASTROPODA CEPHALOPODA SCAPHOPODA BIVALVIA Which kind of phyletic group is represented by region A?.Describe the identifying features of Anthozoa, Cubozoa, Hydrozoa and Scyphozoa. (These are the major cnidarian classes)
- Both Porifera and Placozoa possess epithelial tissues. True False Asexual and sexual reproduction are characteristic of both Porifera and Cnidaria. True FalseDescribe at least four morphological features similar to both choanoflagellates and choanocytes of sponges and the functions of these structures in each. please do not directly copy from googleAnimal Group Protozoa Porifera Typical Environment Typical Lifestyle of Adult Form Integration Support and Movement
- Some 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.While collecting specimens, a marine biologist finds a sessile Cnidarian. The medusas that bud from it swim by contracting a ring of muscle in their bells. To which class does this specimen belong? Class Hydrozoa Class Cubozoa Class Scyphozoa Class AnthozoaPlease complete the following (abbreviated) cladogram of Metazoa, labeling tips, nodes and synapomorphies by using the following word bank: Choanoflagellates multicellularity triploblasty Arthropoda Lepidosauria Cnidaria Bilateria Deuterostomia Ecdysozoa radial cleavage Porifera Mammalia Nematoda 2. Use the tree above to answer the following questions: Name the monophyletic group that is most closely related to Deuterostomia. b. Circle the monophyletic group Animalia (Metazoa). Circle the MRCA of Nematoda and Choanoflagellates. d. Write another name (many possibilities, not listed in the word bank) for the MRCA of Mammalia and Lepidosauria, a. C. 工