Podcast
Questions and Answers
Which method of determining population size involves counting all of the population members directly?
Which method of determining population size involves counting all of the population members directly?
- Mark-and-recapture studies
- Direct observation (correct)
- Indirect observation
- Sampling
What is an example of indirect observation for determining population size?
What is an example of indirect observation for determining population size?
- Counting the entrance holes of mud nests built by a colony of cliff swallows (correct)
- Conducting mark-and-recapture studies
- Counting all the crabs in a tide pool
- Directly observing the albatross population
What are some methods of determining the size of a population?
What are some methods of determining the size of a population?
- Direct and indirect observations, sampling, and mark-and-recapture studies (correct)
- Only direct observations
- Only mark-and-recapture studies
- Only sampling
What question might an ecologist studying the albatross population ask?
What question might an ecologist studying the albatross population ask?
What is the most obvious way to determine the size of a population?
What is the most obvious way to determine the size of a population?