The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

#Question id: 4952

#Section 2: Evolution

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

#Question id: 4953

#Section 2: Evolution

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which graph below, if the results were produced abiotically, would have the greatest promise for revealing important information about the origin or Earthʹs first genetic system?

#Question id: 4957

#Section 2: Evolution

How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?

#Question id: 7696

#Section 2: Evolution

The following question refers to the following phylogenetic trees. Which tree depicts the microsporidians as a sister group of the ascomycetes?

#Question id: 7700

#Section 2: Evolution

The legless condition that is observed in several groups of extant reptiles is the result of ________.

#Question id: 7701

#Section 2: Evolution

The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________