preview

Unicellular Eukaryotes Observation Essay

Decent Essays
In the labs preformed, objective is to understand the way the Unicellular Eukaryotes look, act, move around, survive, and so on. Through out the lab, different organisms will be observed, such as Euglena, Trypanosoma, Plasmodium, Paramecium, Vorticella, and Amoeba. Each organism will be observed under the microscope to give a better understanding of the major structures of each organism as well as the movement associated with each eukaryote.

Procedure and Observation

Euglena

Using a plastic dropper, a small drop containing the organism was placed on a microscope slide and a cover slip was placed on top. The slide with the Euglena was observed under medium and high power. The organisms were fast at random. A drop of methylcellulose was added to slow the motion of the specimen. Observed: Cytoplasm,
…show more content…
The organism was observed under high power once being located under low power.

Choanoflagellates

Scientists are being led to believe that modern sponges and choanoflagellates are closely related. Due to the recent study of RNA and the way they are assembled, scientists believe that it represents a sister group. A single flagella surrounded by a column of microvilli is yet another similarity that is allowing the scientists to study the resemblance between the two organisms.

9. Matching

Kinetoplastid – Unicellular parasite with one large mitochondrion (G)
Amoeba – Unicellular heterotroph that moves using pseudopodia (C)
Euglenoid – Flagella arise fro anterior pocket (F)
Ciliate – Unicellular heterotroph with two types of nuclei (B)
Dinoflagellate – Flagella arise from grooves in cellulose plates (E)
Choanoflagellate – Sessile protist with single flagellum surrounded by collar (A)
Apicomplexan – Non-motile parasite with penetrating apical region (D)

10.
Get Access