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Visit Population Biology and complete the virtual lab.
1. Explain how you tested your hypothesis. (Give details of how you conducted your experiment. Consider this the "Methods" section of a lab report.) 2. On what day did the Paramecium caudatum population reach the carrying capacity of the environment when it was grown alone? How do you know? 3. On what day did the Paramecium aurelia population reach the carrying capacity of the environment? How do you know? 4. Explain the differences in the population growth patterns of the two Paramecium species. What does this tell you about how Paramecium aurelia uses available resources? 5. Describe what happened when the Paramecium populations were mixed in the same test tube. Do the results support the principle of competitive exclusion? 6. Explain how this experiment demonstrates that no two species can occupy the same niche.
If one cell in a dog (2n=78) undergoes meiosis and another cell undergoes mitosis, how many chromosomes will each resulting cell contain?
Two genome-wide association studies sought genes that contribute to intelligence. The first considered 1000 Mexican-American participants in the San Antonio Family Heart study, and found evidence pointing to genes on chromosomes 3,6 and 18.
You are asked todetermine the concentration of a bacterial culture. You take 1.0 mLof the culture and add it to 4.0 mL of water (Tube #1). You thentake 1.0 mL from Tube #1 and add it to 14 mL of water (Tube #2).Finally, you take 1.0 mL from Tube #..
A cross between several female fruit flies with notched wings andseveral wildtype male flies produced the following offspring: 118 wildtype females; 110 femaleswith notched wings and 122 wildtype males. Propose a genetic explanation for this resul..
What is the relationship between infection and the spleen?
A complex of interconnected food chains in an ecosystem is called a/an
A researcher studying apple maggot flies marks 180 flies in an orchid in Michigan. The next day, she collects 70 flies and finds that 14 are marked. If the assumptions of the mark-recapture method are met, what is the best estimate for the number ..
a person has antibodies against the measles virus. identify three ways in which these antibodies could be acquired.
A microbiologist found a new restriction endonuclease. When DNA is digested by this enzyme, fragments that average 1,048,500 bp in length are produced.
Which of these is not a key regulatory step in glycolysis?
In a population of 10,000 individuals, where 3600 are MM, 1600 are NN, and 4800 are MN, what are the frequencies of the M alleles and the N alleles?
Why are pacific sea star so susceptible to Orchitophryastellarum(parasite)? What is a likely cause of death in the sea star?
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