Final answer:
The life history traits in the given options are waxy cuticle in the saguaro cactus, age of sexual maturation in guppies, coat color in the oldfield mouse, and number of seeds produced by a saguaro cactus flower.
Step-by-step explanation:
In this question, the life history traits are characteristics that affect the growth, survival, and reproduction of an organism. Of the given options, the following are life history traits:
- A. Waxy cuticle in the saguaro cactus: The waxy cuticle helps reduce water loss and protects the cactus from the arid environment.
- B. Age of sexual maturation in guppies: The age of sexual maturation determines when guppies are ready to reproduce.
- D. Coat color in the oldfield mouse: The coat color can affect camouflage and predator avoidance.
- F. Number of seeds produced by a saguaro cactus flower: The number of seeds produced influences the reproductive success of the cactus.
The other options do not relate directly to the life history traits of organisms.