Cow Dung Culture Lab Report

The data suggests Habitat A (close to shore) had a greater species richness in comparison to Habitat B (one meter from shore), whereby the mean scores are 5 ± 1.67 and 4.5 ±1.52 respectively (see Table 1.0). Figure 1.0 compares the distribution of data for both datasets and graphically illustrates the five number summary. Habitat A’s graph has a greater range than Habitat B, whereby 50% of the data from Habitat A obtained a species richness value from 5 to 8. Conversely, 50% of Habitat B’s dataset lies within 4 and 6.

In this lab, we studied the health and response of a protist community in an environmental change. The objective of this lab was to study and learn about how variables, such as a more acidic environment, impact the community in a habitat. Furthermore, it was also to learn about how diversity is quantified. To test this, we added protist communities to habitats of different pH levels, from 7 to 4, and let them live there for a week. We then studied the results and investigated which protists lived better in which environments. We discovered that at a pH of 7, the neutral pH of spring water, protists were able to live. As the pH was decreased, however, protists began to die off and could not survive in such acidic conditions. We also noticed that the lower the pH, the lower the diversity because fewer types of protists could survive. We can use this information to see how acidic conditions in nature such as those caused by acid rain can affect communities. We now know that an acidic environment can be extremely harmful to a community and so we should be more cautious of acid rain. If acidic conditions are bad for protists, it is quite possible that they are unfavorable for humans as well.

The bar chart was used to compare the number of species in each transect. In transect A, there were 5 different species. The species in this area were mostly grass, forbs, moss, bugs and beetles. Bugs and beetles made up a small population of this transect. In transect B, there were also 5 species. The species were mostly grass, shrubs, forbs, moss and bugs. In this transect, shrubs were found which makes transect B more diversed than A. In Transect C, 8 species were located in this area. The species included shrubs, grass, fobs, evergreen, trees, dirt, bugs and spiders. New species such as evergreen, trees, dirt and spiders were located in this location. Therefore the test that diversity happens through ecological succession was

2) Record the shape of the bacteria, the arrangement of the bacteria, and the gram staining characteristics.

diversity is low because only one area was sampled so this could account for the species being the same. If

12. Study the diagram of all known organisms below. What percentage is made up of animal species?

The purpose of this study is to identify four unknown organisms. The unknown organisms have been assigned randomly to six-research groups by Professor Hoffman. Each research group was provided two eukaryotes and two prokaryotes. The unknown organisms will fall into the following classifications: bacteria, algae, fungi, or protozoans. All living organisms are organized into one of three domains of life, Bacteria, Archaea, and Eukarya.

The populations of each habitat vary, as they would be dependent on abiotic factors such as: light, temperature, water and soil.

The sparrow had a total of one species with a relative abundance of 0.0526. The earthworm had a total of six species with a relative abundance of 0.3158. The red-headed woodpecker had a total of one species with a relative abundance of 0.0526. The bigger brown spider had a total of one species with a relative abundance of 0.0526 (see Figure 1). The total number of species in the wooded area was nineteen with the species evenness of 0.7823. It also had a Shannon diversity index of 1.6266 and species richness of eight (see Table 1). The twelve different species at the water’s edge site are turtle, buzzard, deer, frog, beaver, tiny brown spider, small black bird, small yellow and brown stripes spider, dark with brown stripes spider, water spider, tibellus spider, and dog. The turtle had a total of five species with a relative abundance of 0.1515. The buzzard had a total of three species with a relative abundance of 0.0909. The deer had a total of one species with a relative abundance of 0.0303. The frog had a total of one species with a relative abundance of 0.0303. The beaver had a total of two species with a relative abundance of 0.0606. The tiny brown spider had a total of one species with a relative

These 14 species are distributed differently across the area of study, with some species dominating specific areas while others are distributed scattered around the site (Figure 8).

(4 pts) 3. You are handed two slides that have been prepared with your organism. One has been properly Gram stained and the other has been properly Acid-Fast stained.

The bean beetle, or Callosobruchus Maculatus, is a pest native to Africa and Asia. Female bean beetles reproduce by laying eggs beans, and then the larva from the egg will burrow into the bean. Generally, bean beetles infest the cowpea species, which include black-eyed peas, adzuki beans, and mung beans, most often.

The materials used for the first part of the experiment comprised of the following: a microscope, 4 slides, 4 slide covers, blood samples, lancet, a sheet of paper towel, 3 test tube droppers, Solutions A, Solutions B, and Solution C.

1. Make a wet mount (Ex 12) of a small sample of the alfalfa water. Examine at 1000X total magnification using high contrast. This will illustrate how many organisms, both motile and non-motile, are present in the sample.

Eukaryotes come in two grades of organization: single-celled (protists) and multicellular (plants, animals, and fungi). The world today is full of complex multicellular plants and animals: how, why, and when did they evolve from protists?