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Lab: Ecological Interactions
Pre-Lab Questions- 1. Would you expect endangered species to be more frequently generalists or specialists? Explain your answer. 2. How does temperature affect water availability in an ecosystem? 3. Choose a species and describe some adaptations that species developed that allow them to survive in their native habitat.
Experiment 1: Effects of pH on Radish Seed Germination
Post-Lab Questions- 1. Was there any noticeable effect on the germination rate of the radish seeds as a result of the pH? Compare and contrast the growth rate for the control with the alkaline and acidic solutions.
2. According to your results would you say that the radish has a broad pH tolerance? Why or why not? Use your data to support your answer. 3. Knowing that acid rain has a pH of 2 - 3 would you conclude that crop species with a narrow soil pH range are in trouble? Explain why, or why not, using scientific reasoning. Is acid rain a problem for plant species and crops?
higher vertebrates produce antibodies; Salmonella is a prokaryote. Given these facts, how can Salmonella antiserum be produced?
Compare and contrast the atmospheres of Jovian planets and the atmospheres of terrestrial planets. Why are the components of Jovian atmospheres so different from those of terrestrial planets?
What is the skene's gland? Understand the relationship this gland may have with the vagina, urethra, and female ejaculation.
How is the pattern of blow flow unique in the kidneys? How does this pattern of blow flow allow the kidney's form to follow its function?
In what way are most segment polarity genes different from other genes in the genetic cascade? (other genes: maternal effect genes,gap genes, pair rule genes, homeobox genes)
q. the movement of glucose into a cell against a concentration gradient is most likely to be accomplished by which of
In cats, striped coats (S) are dominant over solid coats (s), and black fur (B) is dominant over gray (b). A cat that is SsBB is crossed with a cat that is ssBb. What are the chances of an offspring being heterozygous for both traits.
Which of the following statements is true about what will happen to cells depending on tonicity?
using mendels laws describe the phenotypic and genotypic ratios for the f2 generation if pea plants with restricted
Assume you have isolated C57BL6 trophoblast stem cells and have propagated them on MEFs with heparin. To test for the success of your culture protocol, you are injecting the cells into a C57BL6 blastocyst.
biotechnology allows the use of living organisms or their processes for human needs or purposes. currently this
Lysozyme is frequently found in such extracellular bodily fluids assaliva and tears. It serves as a function in a first line ofdefense against bacterial infections; however; it is not effectiveagainst archaeal invaders. Explain.
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