Found 1 resources for the concept:
Fitness is often measured using proxies like mass, number of matings, and survival because it is difficult to measure reproductive success directly.
- UC Museum of Paleontology
- Classroom activity
Time: 1 hour
In this article (and the linked assignments and student readings), students examine and interpret data that Maydianne collected to help her figure out why redback spiders evolved a mating behavior in which the male spider is often killed by the female spider. Use the tabs at the bottom of the feature to find related videos, assignments, and lessons to build this example into a lesson sequence on sexual selection.