Algae biology lab report

Space is provided for many drawings, and space is allotted to answer questions.

Three days assuming a one hour class period will be required to complete the lab. This lab provides an extensive look at many different species of living algae and protozoa. You can easily shorten the lab by omitting some of the specimens that will be observed. Chlamydomonas are single-celled organism with 2 apical flagella which are absorbed before cell division. To complete this lab as written, you will need to order the following protist cultures from a biological supply company. Sketch the euglena and note observations. They serve as fertilisers or, converted to alga flour in factories, can be used as vitamin and in addition to animal food. Your download will include two versions of the lab: a PDF version and a word document. The dried up stocks can be easily harvested at low tide.

Discuss their economic importance. Sketch the Spirogyra. After the 11 page student handout, there is an additional 8 pages of answers and teacher support materials.

You might also be interested in the following products:. View the Volvo under scanning and low power. However in Eastern Asia, Kombu is an important food. The gametophyte stage produces eggs and sperm which fuse to form a diploid zygote. Flagella that present in euglena make it motile when it is in heterotrophic mood. The connection is called a conjugation pilus. These rings are remnants of broken parietal cell walls. Analysis: Under the microscope, the Volvo appeared as small, light green spheres with spikes on them. The overlapping valve is called an epitheca and the lower valve is a hypotheca. They serve as fertilisers or, converted to alga flour in factories, can be used as vitamin and in addition to animal food. Dinoflagellates has two flagella, one the transverse flagellum may be contained in a groove-like structure around the equator of the organism the cingulum , providing forward motion and spin to the dinoflagellate, the other the longitudinal flagellum trailing behind providing little propulsive force, mainly acting as a rudder. To complete this lab as written, you will need to order the following protist cultures from a biological supply company. There is a flat thallus with a hold fast attaching the thallus to the substrate.

Agar, which is used as a nutrient medium for growing bacteria and fungi and also in the food and drug industries, is obtained mostly from Gelidium and Gracilaria species.

Spirogyra has internally a helical structure which is actually spiral bands of chloroplasts. I hope that you will download my free preview in order to get an idea of the formatting that is used.

nutrients and algal growth lab report

Results: The drawings of the three samples of algae are stapled to this lab on a separate piece of paper. This lab was written with a high school biology class in mind, but it is easily adaptable to younger ages.

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It has both a gametophyte stage and a sporophyte stage that look identical.

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Algae Biology Lab Report Essays