Which of the following is an example of a life history trait of a species?

• A. Geographic range size
• B. Age at first reproduction
• C. Type of habitat occupied
• D. Color of the organism's eyes

Answer: (B)

Verified step by step guidance

1. Understand the concept of life history traits: Life history traits are characteristics of an organism that influence its survival and reproductive success. These traits are directly related to the organism's lifecycle, such as growth, reproduction, and lifespan.
2. Analyze the options provided: Evaluate each option to determine if it is a life history trait. For example, geographic range size refers to the area where a species is found, which is not directly related to its lifecycle. Similarly, type of habitat occupied and color of the organism's eyes are not traits that directly influence reproduction or survival strategies.
3. Focus on the correct option: Age at first reproduction is a key life history trait because it directly impacts the reproductive success and survival of a species. It determines when an organism begins contributing offspring to the population.
4. Relate the correct option to life history strategies: Age at first reproduction is part of a species' reproductive strategy, which can vary between species. For example, some species reproduce early and frequently, while others delay reproduction to invest in growth or survival.
5. Conclude by identifying the correct answer: Based on the analysis, age at first reproduction is the example of a life history trait among the options provided.