Hi there,

please, read the labs to be able tp answer the questions

1.Describe the mutualistic relationship between the Trichonympha, termite, and bacteria.

2.Would you characterize Euglena as algae, protozoan, or fungi-like Protist? Explain.

3.Describe how the Paramecium sexually and asexually reproduce.

4.The shells of Radialarians are composed of what compound? Are they characterized as zooplankton or phytoplankton? Explain.

5.The shells of Foraminiferans are composed of what compound? Are they characterized as zooplankton or phytoplankton? Explain.

6.Dinoflagellates (e.g. Ceratium) can be characterized as algae, protozoan, or fungi-like Protists? And why are they a concern if you are a beachgoer or shellfish consumer?

7.Describe the diatoms life cycle, and include what triggers sexual reproduction?

8.Describe the sexual cycle in Spirogyra.
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BIOL210B Lab 4: Protists FALL 2020 Protista The remaining organisms we will study this semester are eukaryotic, and therefore, are in the Domain Eukarya. In general, eukaryotic cells are larger and more complex than prokaryotic cells. The first eukaryotes to evolve over 2.5 billion years ago were unicellular organisms whose descendants are known today as the protists. This is a diverse group containing many lineages. We will consider only a few of these clades in the following activities. Nutritionally, protists may be autotrophic (photosynthetic) or heterotrophic (holotrophic, saprotrophic, or parasitic). Many have complex life cycles, especially the parasitic forms. The current phylogenetic hypothesis divides the protists into five supergroups: Excavata, Chromoalveolata, Rhizaria, Archaeplastida, and Unikontia. We will study a few

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