Lesson 716 of 1524
Biological Rhythms and Sleep
Endogenous biological rhythms are found in nearly every organism on the planet.
Practice this chapterEndogenous biological rhythms are found in nearly every organism on the planet. Internal clocks can help an organism anticipate changes in their environment.
There are many types of biological rhythms that can range from seconds to hours to years; circadian rhythms are those that take about 24 hours to complete a cycle. We can characterize the components of a rhythm by analyzing their period, phase, amplitude, mesor and frequency.
Worked example
What does this chapter state?
- 1Endogenous biological rhythms are found in nearly every organism on the planet.
- 2That claim is the chapter’s own statement.
- 3Answer from the claim, not from where the chapter sits in the book.
Result: Endogenous biological rhythms are found in nearly every organism on the planet.
Why. The sentence is taken from this chapter’s summary or key concepts.
Answer with the meaning this chapter gives. A nearby idea from the same book is a different term.
Practice margin
This chapter
A fresh set from this chapter only. Choose 10 or 20. Multiple choice and fill-in, with no repeat inside the set.