Population and Community Dynamics

Gene pools, how populations interact, and describing population change in quantitative terms.

9 questions, free, marked as you go with a worked explanation on every one.

What this covers

What is a gene pool?
In a population of 500 beetles, 80 show the recessive phenotype. What is the frequency of the recessive phenotype, as a percentage?
If the recessive phenotype frequency (q²) is 0.16, what is the frequency of the recessive allele, q?
Which conditions must hold for a population to stay in Hardy-Weinberg equilibrium? Select all that apply.
Two species of paramecium grown together in one flask cannot coexist indefinitely on a single limiting resource. What principle does this illustrate?
A tick feeding on a moose is an example of which relationship?
A population of 2000 has 160 births and 40 deaths in a year, with no migration. What is the percent growth rate for that year?
What does an exponential growth curve indicate about a population?
Use the table. What is the frequency of the recessive allele in this population?